Pregnancy and OCD

Obsessive-compulsive disorder can begin, worsen, or return during pregnancy and after birth. Perinatal OCD is more common than many realise, yet often missed because intrusive thoughts about harm can feel too shameful to share. This page explains what perinatal OCD looks like and how it is treated in the UK.

What perinatal OCD looks like

Intrusive thoughts about harm coming to the baby, contamination fears, compulsive checking, repeated seeking of reassurance, and mental rituals are common. The thoughts feel alien and distressing, which is part of what marks them as OCD rather than desires. Women often fear they are dangerous, when in fact intrusive thoughts of harm are extremely rarely linked to any risk of acting on them. If you are already on medication for OCD, do not stop it without speaking to your prescriber. Sudden discontinuation can cause withdrawal symptoms and increase the risk of relapse, which may be more dangerous in pregnancy than continuing a well-established treatment.

Why it is often missed

Stigma, fear of having the baby removed, and confusion with postnatal depression all delay help. Well-meaning reassurance from midwives can unintentionally feed compulsions. The key distinction is that OCD thoughts are ego-dystonic, meaning they feel wrong and unwanted, and are accompanied by attempts to neutralise the anxiety. CBT with exposure and response prevention is the gold-standard psychological treatment and can be delivered effectively in pregnancy. The perinatal mental health team will tailor the pace and content to your specific fears and circumstances.

Treatment in the UK

NICE recommends CBT with exposure and response prevention for OCD. Medication, usually an SSRI, may be offered in pregnancy where benefits outweigh risks, and several SSRIs are used safely in pregnancy and breastfeeding. Perinatal mental health teams have experience of OCD specifically. Tell your GP or midwife what you are experiencing, including the thoughts you are most ashamed of, because they need to hear it to help. Partners and family members can be involved in your care if you wish, learning how to support you without feeding compulsions. This might mean not providing constant reassurance, even when asked, and instead gently redirecting you to your strategies.

Reassurance and safety

Having intrusive thoughts does not make you a bad parent or a dangerous person. The distress they cause is itself a sign they are unwanted. Sudden, violent mental images are common in perinatal OCD and are not a predictor of harm. Sharing them with a professional is the route to relief, and confidentiality rules protect you unless there is a specific safeguarding concern, which OCD thoughts alone are not. Recovery from OCD is possible, and many women find that pregnancy, despite its challenges, becomes a turning point in their relationship with the condition. The skills you learn now will also help you in the postnatal period.

This page is for general information only and does not replace advice from your UK maternity or mental health team. If you are worried about your physical or mental health in pregnancy, contact your midwife, GP, or call 111. In an emergency, call 999.