Cosmetic Botox is not recommended during pregnancy in Australia because adequate human safety data are not available. An injection given before pregnancy was recognised has not been proven to harm the pregnancy. Record the treatment date, product, dose and injection sites if known, then tell your GP, midwife or obstetric team.

This article covers elective cosmetic treatment, accidental exposure, trying to conceive and breastfeeding. Botulinum toxin is also prescribed for conditions such as chronic migraine, muscle spasticity and cervical dystonia. Do not stop, postpone or change medically prescribed treatment without speaking with the specialist managing the condition.

Quick answers about Botox and pregnancy

Can you get cosmetic Botox while pregnant?

Cosmetic Botox is generally postponed during pregnancy in Australia. The Australian Consumer Medicine Information does not recommend use during pregnancy, while the Product Information says it should not be used unless the expected medical benefit clearly outweighs the potential risk.

What if I had Botox before I knew I was pregnant?

An accidental exposure does not prove that harm occurred. Current reports have not identified a clear rise in major birth defects among prospective live births, but the data cannot establish safety. Record the product, dose, injection sites and date, then tell your antenatal clinician.

How long should I wait after Botox before trying to conceive?

Australian Product Information does not set a waiting period before conception, and pregnancy studies have not established one. The three-month period often quoted online is not a proven washout rule. Some people pause elective injections when they start trying to avoid treatment during an unrecognised pregnancy.

Botox and pregnancy at a glance

What Botox is and why the exact product matters

Botox is a brand of onabotulinumtoxinA, a botulinum toxin type A medicine. It is a Schedule 4 prescription medicine in Australia. It reduces the release of acetylcholine, a chemical messenger involved in communication between nerves and muscles, so activity in selected muscles is temporarily reduced.

Botox is not the name of every anti-wrinkle injection. Other products contain different botulinum toxin preparations, and their formulations, units, approved uses and medicine information are not interchangeable. Pregnancy findings involving onabotulinumtoxinA should not automatically be applied to every botulinum toxin product.

Why cosmetic Botox is not recommended during pregnancy

The Australian Botox Product Information places onabotulinumtoxinA in Pregnancy Category B3. This category means that only a limited number of pregnant people have used the medicine without an observed increase in malformations or other direct or indirect harmful effects on the human foetus, while animal studies have shown foetal damage whose relevance to humans is uncertain.

The TGA prescribing medicines in pregnancy database also lists botulinum toxin type A as Category B3.

Pregnancy categories are not a scale from safest to most dangerous. A Category B medicine is not automatically safer than a Category C medicine. The category must be read with the product-specific information, treatment reason, dose and individual circumstances.

Australian Product Information states that adequate pregnancy data are not available and that the potential human risk is unknown. Animal studies reported reduced foetal growth, delayed ossification, pregnancy loss or maternal toxicity at some exposures. These findings do not predict an individual human outcome, but they are part of the reason elective cosmetic treatment is postponed.

For a medically necessary treatment, a specialist may decide that the expected benefit outweighs the uncertain risk. Cosmetic treatment can usually wait without placing health at risk, so the benefit and risk threshold is different.

What the human pregnancy evidence can and cannot show

A 29-year analysis of the manufacturer’s global safety database retrieved 913 pregnancy reports and included 397 eligible pregnancies with known outcomes. Among 152 prospective live births, one major birth defect was reported, a prevalence comparable with the background range used by the researchers.

The study offers some reassurance, but it relied on postmarketing reports, many cases lacked complete details, most known exposures occurred before conception or in the first trimester, and later-pregnancy data were sparse. It was rated Class III evidence, and several authors worked for or were affiliated with the manufacturer. A 2025 correction amended errors in the published figure and pregnancy counts.

A 2026 systematic review combined 18 studies covering 486 pregnancies. It did not find evidence that allowed a direct link between onabotulinumtoxinA and foetal harm to be inferred, but the authors found the studies too varied and limited to establish safety or exclude uncommon, delayed or dose-related outcomes.

A separate peer-reviewed review of cosmetic procedures during pregnancy and lactation reached the same practical position: elective treatment should wait when human evidence is limited.

The most accurate reading is that current reports have not identified a clear pattern of major foetal harm, but they do not prove that cosmetic Botox is safe during pregnancy.

Can Botox cause miscarriage or birth defects?

Current evidence does not establish that cosmetic onabotulinumtoxinA causes miscarriage or birth defects. It also cannot show that there is no risk. Miscarriage and birth defects occur in pregnancies with and without medicine exposure, so an event after treatment does not by itself establish that the injection caused it.

Botox for migraine or another medical condition during pregnancy

Medical use for chronic migraine, dystonia, spasticity or another condition needs a different benefit and risk discussion from cosmetic treatment. A 2025 single-centre study followed 126 pregnancies in people receiving onabotulinumtoxinA for chronic migraine. No foetal malformations were reported, but the study was observational, non-randomised and limited to one specialist service.

The treating specialist and antenatal clinician should consider the diagnosis, dose, treatment area, alternatives and effects of leaving the condition untreated. Do not use a cosmetic-pregnancy article as an instruction to stop prescribed treatment.

What to do if you had Botox before you knew you were pregnant

Accidental exposure can occur before conception or during the first weeks of pregnancy, before a missed period or positive test. The first step is to collect accurate treatment information rather than assume that harm occurred.

1. Record the treatment date.
2. Record the product or brand. Ask the clinic if you are unsure.
3. Record the total number of units and the areas injected.
4. Record the clinic and treating practitioner.
5. Note the first day of your last menstrual period or estimated gestation at treatment.
6. Give these details to your GP, midwife, obstetrician or medicines-in-pregnancy service.

There is no routine clinical blood test that can determine whether a past cosmetic injection affected a pregnancy. Your antenatal clinician can decide whether anything beyond usual pregnancy screening is indicated based on the timing, product, dose and your medical and pregnancy history.

For example, someone who had cosmetic treatment two weeks before receiving a positive pregnancy test at five weeks should record the exposure and tell the antenatal clinician. The timing does not prove that the pregnancy was harmed, and the available evidence cannot declare the exposure risk-free.

A home pregnancy test detects human chorionic gonadotrophin, known as hCG, once the level is high enough. It cannot measure botulinum toxin exposure or show whether an exposure affected pregnancy. Testing before the expected period may produce a false negative pregnancy test.

Your antenatal clinician can advise whether your circumstances require anything beyond usual pregnancy screening. Do not arrange additional scans or blood tests solely because an online article or forum recommends them.

Is any trimester safer for cosmetic Botox?

No trimester has been established as safe for elective cosmetic Botox. Most reported exposures occurred before conception or during the first trimester, with much less information for the second and third trimesters. After exposure at any stage, record the treatment details and speak with the clinician overseeing the pregnancy.

When to seek urgent medical care

Seek urgent medical assessment for trouble breathing, trouble swallowing, marked weakness away from the injection site, difficulty speaking, severe visual symptoms or signs of a serious allergic reaction. Call 000 for breathing difficulty, collapse or another emergency. Separate pregnancy warning signs such as vaginal bleeding, severe abdominal pain or fainting also need prompt maternity assessment.

Planning pregnancy after Botox and trying to conceive

Australian Product Information does not set a waiting period between treatment and conception. A cosmetic effect lasting several months does not show that pregnancy risk continues for the same period.

The three-month figure often appears because some pregnancy studies included injections given up to three months before conception. That was a case-selection rule, not a clinical instruction to delay pregnancy.

Some people choose to pause elective injections when they begin trying to conceive, which reduces the chance of treatment during an unrecognised early pregnancy. This does not mean conception must be postponed for a fixed three months.

If you are tracking ovulation, read how the fertile window relates to ovulation and when to have sex after an LH surge. If you are having IVF or preparing for embryo transfer, ask the fertility clinic before booking an elective injection.

Does Botox affect fertility, ovulation or egg quality?

There is no good human evidence showing that cosmetic onabotulinumtoxinA damages egg quality, prevents ovulation or causes infertility. These outcomes have not been studied well enough to exclude every possible effect, but a causal link has not been established.

Australian Product Information reports that lower tested doses did not affect fertility in rats. Fertility fell at higher doses that also caused toxicity. The relevance of these animal findings to human fertility is unknown.

Should you take a pregnancy test before a Botox appointment?

A pregnancy test may be useful when a period is due or late, but timing matters. A negative result taken too early cannot reliably exclude a pregnancy that has not produced enough hCG for detection. Check pregnancy-test accuracy by DPO, follow the pregnancy-test instructions and repeat testing if the period does not arrive.

Botox while breastfeeding in Australia

Australian Botox Consumer Medicine Information states that use while breastfeeding is not recommended. The Product Information states that there is no information confirming whether Botox is excreted into human milk. This remains the official Australian product position.

The LactMed review revised on 15 July 2026 reports that only onabotulinumtoxinA has been studied during breastfeeding and only at cosmetic doses. It was undetectable in milk from two women and detected in very low amounts in five others after 40 to 92 facial units. LactMed also reports 94 breastfeeding women treated for chronic migraine with no adverse reactions recorded in their infants during the first postpartum year.

The milk studies were small, used different sampling schedules and do not cover higher doses or every botulinum toxin product. These data do not establish safety for every infant, product or treatment reason.

Do you need to pump and dump after Botox?

No evidence-based pumping-and-dumping interval has been established. Discarding milk for a set number of hours or days should not be described as a proven way to remove risk. Agree on a plan with the prescriber and a maternal health clinician before treatment rather than relying on an unsupported waiting period.

Side effects, prescriber checks and product safety in Australia

Possible effects include injection-site pain, swelling or bruising, headache, temporary eyelid or eyebrow drooping, facial asymmetry, eye symptoms and weakness in nearby muscles. More serious effects are uncommon but can include difficulty breathing, swallowing or speaking, weakness away from the injection site and severe allergic symptoms.

Cosmetic botulinum toxin is a prescription-only medicine in Australia. Ahpra’s current guidance requires an authorised prescriber to complete an individual assessment and have an in-person or video consultation each time a cosmetic injectable is prescribed. Text, email or another asynchronous process alone is not considered an acceptable prescribing consultation.

• Check the practitioner’s registration and ask who assessed and prescribed the medicine.
• Ask for the product name and batch number.
• Confirm that the product came through an Australian regulated supply pathway.
• Ask how complications are managed and who is available after hours.
• Do not accept claims that one brand is “pregnancy safe”.

The TGA warned in January 2026 about continuing imports of counterfeit Botox vials. Counterfeit products may look genuine but have not been assessed for quality, safety or efficacy. Clinic marketing is not a substitute for an individual medicine consultation, and Australian rules restrict public advertising of prescription-only cosmetic injectables.

Pregnancy skin care while cosmetic injections are paused

A simple routine can help with dryness, sensitivity and pigmentation changes. Use a gentle cleanser, suitable moisturiser and broad-spectrum sunscreen. Pregnancy, Birth and Baby advises checking ingredients and avoiding skin care containing vitamin A, including retinol, during pregnancy.

Hydroquinone and prescription retinoids such as tretinoin or adapalene are generally avoided during pregnancy. Evidence for many cosmetic peptides, concentrated acids and newer active ingredients is limited. Acetyl hexapeptide-8, often sold as Argireline, should not be described as a proven pregnancy-safe Botox alternative without suitable human evidence.

Ask a pharmacist, GP or obstetric clinician to check uncertain ingredients. Severe acne, sudden pigment changes, an extensive rash or persistent itching may need medical assessment.

Dermal filler has different ingredients and complication management, so use the separate dermal fillers during pregnancy and breastfeeding guide. People preparing for pregnancy may also find prenatal vitamin advice before pregnancy useful.

Frequently asked questions about Botox and pregnancy

Next Steps in Australia

If you are pregnant, postpone elective cosmetic Botox and speak with your GP, pharmacist or antenatal clinician about any skin concerns. If treatment occurred before pregnancy was recognised, record the product, dose, injection sites and date, then provide these details to your antenatal team without assuming that harm has occurred. Australian Product Information does not require a fixed three-month wait before trying to conceive, although some people choose to pause elective injections once they begin trying. Medically prescribed botulinum toxin should not be stopped or delayed without discussion with the treating specialist and maternity clinician. During breastfeeding, review the cautious Australian product advice and the newer international milk data with an appropriate health professional, as no proven pumping-and-dumping period has been established.

Last reviewed: 30 July 2026
Next scheduled review: July 2027

References

Fertility2Family articles are researched using Australian Government health guidance, professional clinical recommendations and peer-reviewed medical literature. The references below were used to research and medically review this article and provide additional reading for readers who want to read the evidence in more detail.

Australian Commission on Safety and Quality in Health Care Botox
Australian Consumer Medicine Information and Product Information covering prescription status, Pregnancy Category B3, fertility findings, pregnancy and breastfeeding advice, warnings and adverse effects.

Therapeutic Goods Administration Australian categorisation system for prescribing medicines in pregnancy
Australian regulatory information defining Pregnancy Category B3 and explaining why the categories are not a hierarchy from safest to most dangerous.

Therapeutic Goods Administration Prescribing medicines in pregnancy database
Australian prescribing database listing botulinum toxin type A as Pregnancy Category B3 and explaining that database entries do not replace individual professional advice.

Pregnancy, Birth and Baby / Healthdirect Australia Cosmetic procedures and beauty treatments during pregnancy and breastfeeding
Australian Government health information covering cosmetic procedures during pregnancy and breastfeeding, with precautionary advice where direct safety evidence is limited.

Pregnancy, Birth and Baby / Healthdirect Australia Medicines during pregnancy
Australian Government health information covering medicine review during pregnancy and why prescribed treatment should not be stopped before speaking with a health professional.

Neurology Pregnancy Outcomes in Patients Exposed to OnabotulinumtoxinA Treatment: A Cumulative 29-Year Safety Update
Peer-reviewed pharmacovigilance study examining reported pregnancy outcomes after onabotulinumtoxinA exposure over 29 years, including major birth-defect prevalence and reporting limits.

Neurology Pregnancy Outcomes in Patients Exposed to OnabotulinumtoxinA Treatment: A Cumulative 29-Year Safety Update
Journal correction amending errors in the published figure, pregnancy counts and related text for the cumulative 29-year onabotulinumtoxinA safety update.

Aesthetic Plastic Surgery Safety and Efficacy of OnabotulinumtoxinA in Pregnancy: A Systematic Review
Peer-reviewed systematic review combining 18 studies and 486 pregnancies, while finding that varied study designs and limited data did not establish safety.

Cephalalgia OnabotulinumtoxinA treatment for chronic migraine in pregnancy: An updated report of real-world headache and pregnancy outcomes over 14 years in Hull
Peer-reviewed single-centre observational study reporting migraine control and pregnancy outcomes among 126 people who continued or stopped onabotulinumtoxinA treatment during pregnancy.

National Library of Medicine Botulinum Toxins, Therapeutic
United States lactation database review covering measured onabotulinumtoxinA milk levels, reported infant outcomes, migraine treatment experience and evidence gaps for higher doses.

Facial Plastic Surgery & Aesthetic Medicine Analysis of Breast Milk Samples in Lactating Women After Undergoing Botulinum Toxin Injections for Facial Rejuvenation: A Pilot Study
Peer-reviewed pilot study measuring botulinum toxin type A in milk samples from four lactating women after cosmetic facial injections across five days.

Frontiers in Drug Safety and Regulation Detection of nontoxic BoNT/A levels in post-facial botox injection breastmilk
Peer-reviewed small study measuring botulinum toxin type A in breast milk after facial injections across several sampling times and longer follow-up.

Australian Health Practitioner Regulation Agency Performing non-surgical cosmetic procedures
Australian practitioner guidance covering assessment, prescribing consultations, informed consent, follow-up, training, complication management and patient-safety duties for non-surgical cosmetic procedures.

Therapeutic Goods Administration Advertising health services and cosmetic injections: frequently asked questions and answers
Australian regulatory guidance explaining restrictions on public advertising of prescription-only cosmetic injectables and the distinction between education and advertising content.

Therapeutic Goods Administration Continuing imports of counterfeit Botox vials
Australian medicine safety advisory covering counterfeit Botox imports, regulated supply pathways, suspect batch numbers, reporting and the risks of unverified products.

Pregnancy, Birth and Baby / Healthdirect Australia Changes to your skin during pregnancy
Australian Government health information covering pregnancy-related skin changes, sunscreen, moisturisers, ingredient checks and products containing vitamin A or retinol during pregnancy.

Pregnancy, Birth and Baby / Healthdirect Australia Pregnancy tests
Australian Government health information explaining urine and blood pregnancy tests, hCG detection, test timing and the limits of early negative results.

Healthdirect Australia Warning signs during pregnancy
Australian Government health information covering symptoms that need prompt or urgent assessment during pregnancy and when emergency care is required.

International Journal of Women’s Dermatology A review of the safety of cosmetic procedures during pregnancy and lactation
Peer-reviewed review article discussing available evidence and precautionary care for cosmetic procedures during pregnancy and lactation, including botulinum toxin treatment.