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

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How quickly can I get an abortion?

At Marie Stopes UK - whether your abortion treatment is NHS-funded or private - we'll be able to see you within a week of booking your appointment.

We're always here for you

We pride ourselves on delivering the highest quality abortion services in the UK. This means you can call us 24/7, 365 days a year to book a convenient appointment for medical or surgical abortion.

Marie Stopes clinics and centres are located throughout the UK. 

Find your nearest Marie Stopes centre or view all of our centres and clinics listed by region.

Want to talk about your options?

For more information and to book an appointment, call us anytime on 0345 300 8090 (24 hrs), request a call back or email us at services@mariestopes.org.uk.