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

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Can I have other tests on the day of my abortion?

Marie Stopes United Kingdom can carry out testing for sexually transmitted infections, and provide advice and fitting for contraception when you have an abortion.

We provide advice and fitting for a wide range of contraception, but would recommend use of long acting reversible contraception (LARCs) where possible to prevent unplanned pregnancy.  We can fit LARCs including intra-uterine devices (IUDs) and implants at the time of your surgical abortion. We can arrange for IUDs to be inserted after a medical abortion. 

Marie Stopes also offer a private service for women wishing a contraceptive consultation with a doctor, or full STI screening. Please see our health screening section for more details. 

Need to talk about your options?

Our caring, specialist staff are on hand 24/7 to offer expert advice and support – from your initial consultation to treatment aftercare.

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


Available download:

PDF icon Chlamydia.pdf584.56 KB
PDF icon LARC 8p DL amend.pdf1.69 MB