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.



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Working for Marie Stopes UK

At Marie Stopes UK, we know that our most valuable asset are the people who work for us. Our dedicated staff deliver the highest quality of abortion care and expert sexual health services to over 100,000 women every year in the UK. From nursing, doctors and management to head office, we have a huge variety of roles and we are always looking for passionate people to work across all our functions in the UK.

Marie Stopes UK employs over 500 people in the UK alone, which allows us to provide contraception to over 18 Million women internationally, prevent maternal deaths and provide safe abortions in 37 countries worldwide.