Tanning while pregnant is not straightforwardly safe or unsafe — it depends on the method. Self-tanners and tanning lotions are the lowest-risk option during pregnancy. Moderate, careful sun exposure with proper protection is generally manageable. Tanning beds are a firm no. And spray tans carry a specific concern around DHA inhalation that is worth understanding before you book.

The key risks during pregnancy are not the tan itself — they are overheating, UV-related folate depletion, worsening of pregnancy-related skin pigmentation (melasma), and the chemical ingredients in certain sunscreens and tanning products. This guide covers each tanning method honestly, explains the real risks behind the advice, and gives you practical ways to maintain a glow safely throughout pregnancy.

As with all health decisions during pregnancy, speak to your midwife or healthcare provider about what is right for your specific situation.

Key Takeaways

Self-tanners and tanning lotions containing DHA are the safest way to get colour during pregnancy — no UV, no overheating risk.
Moderate, brief sun exposure is generally manageable with the right precautions, but deliberate sunbathing carries real risks during pregnancy.
Tanning beds should be completely avoided during pregnancy — the combination of UV radiation and intense heat poses serious risks to both mother and baby.
Spray tanning is a grey area: DHA itself is not absorbed in meaningful amounts, but inhaling aerosolised DHA particles is an unresolved risk — precautions can make it safer.
Overheating is the most significant danger: core body temperature above 39°C (102.2°F) has been linked to neural tube defects, particularly in the first trimester.
UV radiation depletes folate, an essential nutrient for early fetal development — another reason to limit UV exposure, especially in the first trimester.
Pregnancy makes skin significantly more sensitive to UV and prone to melasma (the “mask of pregnancy”) — unprotected sun exposure can make pigmentation much worse.
Switch to a mineral sunscreen (zinc oxide or titanium dioxide) during pregnancy — several common chemical sunscreen ingredients are best avoided.

Why Pregnancy Changes the Tanning Equation

Tanning while pregnant involves different considerations than tanning normally, and it is worth understanding why before deciding on your approach. There are four specific pregnancy-related factors that change the picture.

The Overheating Risk

This is the most significant concern with any UV tanning during pregnancy, and it is under-discussed in most guides. When pregnant, your body’s ability to regulate temperature is already under strain — your blood volume increases significantly, your metabolism runs higher, and your baseline body temperature is slightly elevated.

Research consistently shows that maternal core body temperature rising above 39°C (102.2°F) is associated with increased risk of neural tube defects — serious birth defects affecting the brain and spinal cord. A 2005 meta-analysis of 15 studies found that maternal hyperthermia in early pregnancy was associated with nearly double the risk of neural tube defects. The first trimester is the most vulnerable window, when the baby’s neural tube is closing (typically between weeks 3–6).

Prolonged sunbathing — particularly in hot weather, during peak UV hours, or in enclosed tanning environments — can push core body temperature to levels that approach or exceed this threshold. A tanning bed does this rapidly. The beach on a hot day can do it gradually over an extended session. This risk is not hypothetical, and it is the primary reason cautious guidance around sun exposure exists during pregnancy.

UV Radiation and Folate Depletion

Folate (vitamin B9) is one of the most critical nutrients during early pregnancy — essential for neural tube development and reducing the risk of spina bifida and anencephaly. UV radiation is known to break down folate in the body. The original article flags this correctly, and it is worth understanding as a genuine mechanism, not just a precautionary note.

This is particularly relevant in the first trimester, when folate levels have the most direct impact on fetal development. If you are spending significant time in the sun, this is an additional reason to ensure your folate supplementation (typically as folic acid) is consistent, and to avoid prolonged UV exposure without protection.

Heightened Skin Sensitivity

Pregnancy hormones — particularly oestrogen — make the skin significantly more reactive to UV. You will burn faster than usual, pigmentation changes will occur more readily, and skin reactions that you would not normally experience can appear. What was once a comfortable sun session may now produce significant irritation or unexpected tanning results.

Melasma: The Mask of Pregnancy

Melasma (also called chloasma or the “mask of pregnancy”) affects a significant number of pregnant women, causing patches of darker pigmentation on the face — particularly across the forehead, cheeks, nose, and upper lip. It is driven by increased melanin production from hormonal changes.

UV exposure dramatically worsens melasma. Even brief, unprotected sun exposure during pregnancy can cause these patches to deepen significantly and become much harder to fade postpartum. This is one of the most compelling practical reasons to be disciplined about sun protection during pregnancy — the cosmetic consequences can be long-lasting and very difficult to treat while breastfeeding (when many treatment options are also restricted).

For anyone already experiencing melasma, deliberate sunbathing is strongly inadvisable. SPF protection and shade are the only reliable tools for preventing it from worsening.

Can You Sun Tan While Pregnant?

Moderate, incidental sun exposure during pregnancy is not something that needs to cause alarm. Short periods outdoors, getting fresh air, or spending time in the garden are all perfectly normal. The issue is deliberate, prolonged sunbathing — lying out in direct sun for extended sessions, particularly in hot conditions or during peak UV hours.

If you do spend time in the sun during pregnancy:

Keep sessions short. Limit direct sun exposure to around 20–30 minutes at a time, with shade breaks in between.
Avoid peak UV hours. Between 10 am and 4 pm, UV intensity is at its highest. Choose early morning or late afternoon for any outdoor time.
Protect against overheating actively. Wear lightweight, breathable clothing. Stay hydrated before and during outdoor time. Seek shade as soon as you feel warm. Cool water and a fan or cool flannel help regulate temperature.
Always apply sunscreen. See the sunscreen section below for which ingredients to use and avoid during pregnancy — this matters more than simply applying any SPF product.
Be especially cautious in the first trimester. This is when folate depletion and overheating risk are most relevant. Limit UV exposure, prioritise shade and SPF, and be vigilant about hydration and temperature.

Sunlight does produce vitamin D, which is genuinely valuable during pregnancy. But the amount required for vitamin D synthesis is a matter of minutes of exposure, not prolonged sunbathing sessions. Vitamin D can also be obtained through supplementation and diet — your midwife or doctor can advise on appropriate supplementation if needed.

Can You Use a Tanning Bed While Pregnant?

No. Tanning beds should be completely avoided during pregnancy, and this is one of the clearest answers in this guide.

A tanning bed concentrates UV radiation at far higher intensities than natural sunlight and does so in an enclosed, high-heat environment. It is one of the fastest ways to raise core body temperature significantly — a serious concern given what we know about overheating risk in the first trimester. The UV exposure worsens melasma, depletes folate, and damages skin that is already hormone-sensitised. There is no way to use a tanning bed while pregnant in a way that meaningfully manages these risks.

In addition to the pregnancy-specific concerns, tanning beds carry their own well-established health risks around skin cancer and premature skin ageing. If there is ever a time to switch to safer tanning alternatives, pregnancy is it. Self-tanners will produce a far better result without any of the risk.

Self-Tanners and Tanning Lotions During Pregnancy

Self-tanning products — lotions, mousses, drops, and gradual tanners — are the most pregnancy-compatible way to get colour, and the one the majority of practitioners are comfortable with.

The active ingredient in virtually all self-tanners is DHA (dihydroxyacetone), a sugar-derived compound that reacts with amino acids in the outermost layer of skin to create a brown colour. DHA works entirely on the surface of the skin and does not penetrate to living tissue. While very small amounts have been detected in the bloodstream in studies (typically around 0.5%), there is no evidence that this reaches the baby’s circulation through the placenta, and no evidence of harm from topical self-tanner use during pregnancy. MotherToBaby, an organisation that provides evidence-based guidance on exposures in pregnancy, currently considers self-tanning lotions applied to the skin to have little to no risk to the baby.

A few practical points to bear in mind:

Check the full ingredient list. DHA itself is not the concern, but some self-tanners include fragrances, parabens, or other additives that are better avoided during pregnancy. Look for fragrance-free formulas where possible.
Patch test first. Pregnancy hormones make the skin more reactive. Even products you have used before may cause unexpected sensitivity. Test a small area 24 hours before full application.
Gradual tanners are the lowest-pressure option. Daily moisturiser-style gradual tanners build colour slowly with light, easy application and minimal product contact with the skin at any one time.

For a guided look at self-tanning products and application techniques, our self-tanning guides cover everything from choosing a formula to achieving an even result.

Spray Tanning During Pregnancy

Spray tanning sits in a more cautious category than self-tanners, and the reason comes down to inhalation rather than skin contact.

In a spray tan booth or airbrush session, DHA is aerosolised and applied as a fine mist. During this process, there is an unavoidable risk of inhaling DHA particles into the lungs and mucous membranes. Unlike topical application — where DHA remains in the outermost skin layer — inhaled DHA enters the respiratory system, where absorption pathways are very different. The long-term effects of inhaling DHA are genuinely unknown, and the lack of research means there is no clear safety confirmation for use during pregnancy.

This does not mean spray tanning in pregnancy is definitively dangerous — it means the evidence simply is not there to confirm it is safe. For many practitioners, the precautionary principle applies: with a perfectly safe alternative available (self-tanners), why take an unresolved risk?

If you do choose to have a spray tan during pregnancy:

Wear a well-fitting face mask covering your nose and mouth throughout the application.
Cover your lips and nostrils with a thin layer of petroleum jelly as an additional barrier.
Ensure the room is well-ventilated and request the shortest possible spray session.
Avoid a full-body booth and opt for an experienced technician doing airbrush application where you have more control over positioning and exposure.
Discuss with your midwife or doctor beforehand — some are comfortable with these precautions in place, others advise waiting until after the first trimester at minimum.

For a full discussion of spray tanning during and after pregnancy, see our related guide on spray tanning while breastfeeding, which covers similar considerations for the postnatal period.

Sunscreen Safety During Pregnancy: What to Use and What to Avoid

This is one of the most practically important sections in this guide, and one that most tanning articles skip entirely. If you are going outdoors during pregnancy, the sunscreen you apply matters — not just the SPF level, but the specific ingredients.

Ingredients to Avoid

Several chemical sunscreen filters are absorbed through the skin and into the bloodstream. Studies have detected some of these in blood, urine, and breast milk after topical application. During pregnancy, when anything absorbed has a potential route to the developing baby, these are worth avoiding:

Oxybenzone — the most concerning, linked to endocrine disruption, has been detected in umbilical cord blood, and associated in some studies with lower birth weight and shorter pregnancies.
Octinoxate (Ethylhexyl methoxycinnamate) — another endocrine-disrupting chemical UV filter.
Homosalate — detected in breast milk, potential hormonal effects.
Octocrylene — absorbed into the bloodstream after topical use, potential hormonal activity.
Retinyl palmitate — a vitamin A derivative sometimes added to sunscreens; high doses of vitamin A compounds are considered teratogenic and are best avoided in pregnancy in all forms.
Fragrances and parabens — unnecessary additives that can cause skin sensitivity and may carry hormonal effects; opt for fragrance-free formulas.

What to Use Instead

Mineral sunscreens using zinc oxide or titanium dioxide as their active ingredients are the preferred choice during pregnancy. These physical UV filters sit on top of the skin and reflect UV rays rather than absorbing into the skin. They have minimal systemic absorption, no known endocrine disruption, and are effective broad-spectrum filters. Look for:

SPF 30 or higher, broad-spectrum (UVA and UVB protection)
Zinc oxide or titanium dioxide as the active ingredient
Fragrance-free formula
Paraben-free
Water-resistant if swimming or sweating

Cream or lotion formats are preferable to spray sunscreens during pregnancy — aerosol sunscreens carry the same inhalation concern as spray tans and are generally considered less safe for pregnant women.

Tanning Pills During Pregnancy

Tanning pills — products containing canthaxanthin or beta carotene marketed to darken skin — should be avoided during pregnancy.

Canthaxanthin-based tanning pills are not FDA-approved for use as tanning agents and carry known risks even outside of pregnancy, including crystal deposits forming in the eyes (which can persist for years after stopping use), nausea, cramping, and skin changes. During pregnancy, any product with unresolved safety data and known side effects should simply be avoided when safer alternatives exist.

Beta carotene supplements in very high doses are also not recommended during pregnancy — unlike food-sourced beta carotene, supplemental high-dose vitamin A derivatives carry risk. Standard dietary intake from food is fine, but supplemental tanning doses are not.

Practical Safe Sun Guidelines for Pregnant Women

If you want to spend time outdoors during pregnancy without foregoing all sun exposure, these habits cover the key risks:

Hydrate consistently. Dehydration accelerates overheating. Drink water before, during, and after outdoor time. Electrolyte-containing drinks can help in warmer weather.
Use shade strategically. A parasol, beach umbrella, or hat gives you the benefits of fresh air without direct UV. Your body still synthesises some vitamin D in shade from ambient light.
Apply mineral SPF 30+ to all exposed skin before going outside, including the face, neck, chest, and any other areas that commonly see sun.
Wear protective clothing. UV-protective clothing (UPF rated), wide-brimmed hats, and lightweight long sleeves are more effective than sunscreen alone and require no reapplication.
Know the warning signs of overheating. Feeling hot and flushed, dizziness, nausea, a throbbing headache, or reduced foetal movement are signals to get into shade or cool air immediately and hydrate. Do not push through these feelings.
Keep a cool flannel or water spray nearby. Evaporative cooling on the wrists, neck, and forehead is effective at lowering perceived temperature quickly when outdoors.
Schedule outdoor time wisely. Before 10 am or after 4 pm gives you meaningful outdoor time with significantly lower UV intensity. This is the simplest way to reduce risk while still enjoying being outside.

Frequently Asked Questions

Can you tan while pregnant in the first trimester?

The first trimester is the highest-risk window for both UV-related folate depletion and overheating. Folate is critical for neural tube development during weeks 3–6, and core temperature elevation above 39°C (102.2°F) carries the greatest developmental risk in early pregnancy. Self-tanners are safe during the first trimester. Brief, protected sun exposure is manageable. Deliberate sunbathing and tanning beds should be avoided, especially during the first twelve weeks.

How long can I sit in the sun while pregnant?

Around 15–20 minutes of direct sun exposure at a time is a sensible guide, with shade breaks in between. This is enough for some vitamin D synthesis without significant overheating risk during mild conditions. In hot weather, peak hours, or high UV index conditions, even 15 minutes of direct sun should be treated cautiously. Always apply mineral SPF 30+, stay hydrated, and move into shade if you feel warm.

Can you use self-tanner while pregnant?

Yes — self-tanners applied to the skin are generally considered the safest way to get colour during pregnancy. DHA, the active ingredient, works on the outermost skin layer and does not reach the baby. Check the full ingredient list and choose fragrance-free, paraben-free formulas where possible. Patch test before full application as pregnancy can increase skin reactivity.

Can you go on a sunbed while pregnant?

No. Tanning beds should be completely avoided during pregnancy. They raise core body temperature rapidly, expose the skin to concentrated UV at intensities that accelerate folate depletion and worsen melasma, and carry all the baseline health risks of tanning bed use on top of the pregnancy-specific concerns. Self-tanners are a straightforward and effective alternative.

Can you get a spray tan while pregnant?

Spray tanning during pregnancy is a grey area. DHA on the skin is not a concern, but inhaling aerosolised DHA during application is an unresolved risk with no clear safety data for pregnancy. If you choose to have a spray tan, wear a mask and barrier protection on the nostrils, ensure good ventilation, and discuss it with your midwife first. Some practitioners are comfortable with appropriate precautions; others recommend avoiding it until after the first trimester.

Does tanning while pregnant affect the baby?

UV radiation itself does not directly harm the baby — it does not penetrate to the uterus. The risks are indirect: overheating (which does affect the baby through raised maternal core temperature), folate depletion (which affects fetal development particularly in the first trimester), and worsening of pregnancy skin conditions like melasma that may cause lasting changes for the mother. Managing these risks through timing, protection, and choosing safer tanning methods addresses the key concerns.

Can I use fake tan on my bump?

Yes — self-tanner applied to the belly area is fine. DHA does not penetrate through the skin to the baby. Apply with the same gentle, fragrance-free formula you would use elsewhere. Avoid broken skin, which may allow slightly more ingredient absorption. Many people find a gradual, light-building tanner works particularly well on the bump as it avoids the streaking that can come from applying mousse to a curved surface.

What sunscreen should I use while pregnant?

Choose a mineral sunscreen with zinc oxide or titanium dioxide as the active ingredient, SPF 30 or higher, broad-spectrum, fragrance-free, and paraben-free. Avoid sunscreens containing oxybenzone, octinoxate, homosalate, octocrylene, retinyl palmitate, or fragrances — these are absorbed into the bloodstream and some have endocrine-disrupting properties that are best avoided during pregnancy.

The Bottom Line

Pregnancy does not mean giving up all colour — it means being thoughtful about how you get it. Self-tanners are the standout choice: no UV, no overheating, no meaningful risk to the baby, and results that look just as good as a real tan. Sun exposure in moderation with the right protection is manageable. Tanning beds are off the table entirely. Spray tans can be made safer but carry an unresolved inhalation risk that many practitioners advise avoiding.

The practical changes that matter most: switch to a mineral sunscreen, keep outdoor sessions short and well-protected, be vigilant about overheating, and stick to self-tanners when you want visible colour. Your skin will thank you after pregnancy too — the habits of sun protection that protect your baby now are the same ones that slow ageing and reduce skin cancer risk long-term.

For self-tanning product guidance and tips on achieving an even, natural-looking result at home, explore our self-tanning guides. For more on UV index and safe sun exposure, our sun tanning section covers what different UV levels mean in practice.

References

Moretti ME, Bar-Oz B, Fried S, Koren G. Maternal hyperthermia and the risk for neural tube defects in offspring: systematic review and meta-analysis. Epidemiology, 2005;16(2):216–219.
A meta-analysis of 15 studies (1,719 cases, 37,898 controls) finding that maternal hyperthermia in early pregnancy was associated with nearly double the risk of neural tube defects (odds ratio 1.92, 95% CI 1.61–2.29). Concluded that maternal hyperthermia may be a human teratogen, with the first trimester representing the most vulnerable window.
MotherToBaby (Organization of Teratology Information Specialists). Sunless Tanners. Updated March 2026.
Evidence-based fact sheet confirming that laboratory models show less than 1% of topically applied DHA is absorbed into the bloodstream, making significant fetal exposure unlikely. Notes that no human studies specifically examine birth defect risk from topical self-tanners. Identifies spray tanning booths as a distinct concern — DHA is not FDA-approved for inhalation, and booth use may expose mucous membranes to aerosolised DHA; the FDA recommends protective measures covering the eyes, mouth, and nose when using spray booths.