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Date of issue: December 2021, Version: 3

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A corresponding patient information leaflet on USE OF PROPRANOLOL IN PREGNANCY is available.

Propranolol is a non-selective beta-blocker licensed for the treatment of hypertension, angina, migraine prophylaxis, hypertrophic cardiomyopathy, arrhythmias, management of essential tremor and anxiety, adjunctive management of thyrotoxicosis, and prophylaxis of upper gastro-intestinal bleeding in patients with portal hypertension and oesophageal varices.

The published data on use of propranolol in pregnancy are limited. A single case-control study found no association between propranolol exposure and cleft lip and/or palate, and two further case-control studies provide no evidence of an association with hypospadias. These data are limited both in scope and methodology, preventing conclusions being drawn about malformation risk. Data relating to risks of low infant birth weight and preterm delivery are limited and conflicting, and potentially confounded by the physiological effects of maternal hypertension and higher rates of early induction of delivery. There are no controlled studies that report rates of miscarriage, stillbirth, or adverse neurodevelopmental effects following gestational propranolol exposure.

Studies of beta-blockers as a class have not, to date, provided conclusive evidence that use during pregnancy is associated with an increased risk of malformation. Use in pregnancy has been associated with adverse effects on fetal growth, although as described above, maternal hypertension is linked to intrauterine growth restriction and analysis is therefore complex. Overall, data do not suggest that gestational beta-blocker exposure directly increases the risk of preterm delivery. Data on rates of miscarriage, stillbirth and neurodevelopmental outcomes are too limited to permit a risk assessment.

Use of beta-blockers near term may result in neonatal beta-adrenoceptor blockade, leading to neonatal bradycardia, hypotension and hypoglycaemia. Respiratory distress has also been reported. Assessment of the neonate for these effects is thus advised.

Exposure to propranolol at any stage in pregnancy would not be regarded as medical grounds for termination of pregnancy. Additional fetal monitoring is generally indicated in pregnancies complicated by maternal hypertension and maternal cardiac disease, regardless of pharmacotherapy. Other risk factors may also be present in individual cases which may independently increase the risk of adverse pregnancy outcome. Clinicians are reminded of the importance of consideration of such factors when performing case-specific risk assessments.

This is a summary of the full UKTIS monograph for health care professionals and should not be used in isolation. The full UKTIS monograph and access to any hyperlinked related documents is available to NHS health care professionals who are logged in.

If you have a patient with exposure to a drug or chemical and require assistance in making a patient-specific risk assessment, please telephone UKTIS on 0344 892 0909 to discuss the case with a teratology specialist.

If you would like to report a pregnancy to UKTIS please click here to download our pregnancy reporting form. Please encourage all women to complete an online reporting form.

Disclaimer: Every effort has been made to ensure that this monograph was accurate and up-to-date at the time of writing, however it cannot cover every eventuality and the information providers cannot be held responsible for any adverse outcomes of the measures recommended. The final decision regarding which treatment is used for an individual patient remains the clinical responsibility of the prescriber. This material may be freely reproduced for education and not for profit purposes within the UK National Health Service, however no linking to this website or reproduction by or for commercial organisations is permitted without the express written permission of this service. This document is regularly reviewed and updated. Only use UKTIS monographs downloaded directly from to ensure you are using the most up-to-date version.