Gestation Calculator

This calculator has been designed to give you an idea of the treatment options available to you*. If you decide to have an abortion with Marie Stopes UK, one of our nurses will give a more approximate gestation date during your appointment by way of a scan.
*Please note that this online calculator will only give you an estimated gestation based on the details you have provided.

Please select the first day of your last menstrual period.



We are here to support you 24 hours a day, 7 days a week

Call us now on 0345 300 8090 or email services@mariestopes.org.uk

0345 300 8090
Our Private Services > Private Health Checks > Individuals - Self-funded >
Individuals - Self-funded

Helping you understand your health. 

From our  centre in Central London, Marie Stopes UK offers self-funded services including smear tests, HPV vaccinations, Well Woman and Well Man Health Checks, and other contraception and sexual health services.

Find out more information about how Marie Stopes UK can help you take care of your health below. 


*Please note that calls are recorded for quality and training purposes. Your details are stored securely and will not be shared with any external parties.