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

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Can I have counselling over the phone?

Counselling is a talking therapy that lets a person discuss their feelings and problems in a confidential, safe environment. Marie Stopes offers telephone counselling if you'd like support without travelling to one of our centres.

Marie Stopes UK counsellors are qualified to help you explore and manage your thoughts, feelings and issues. They offer caring, non-judgemental support. 

If you'd like to arrange telephone counselling, you can book by calling one of the numbers below.

Services Contact numbers
  • Abortion/pregnancy
  • Vasectomy/sterilisation
0345 300 8090
  • Grief counselling
  • Relationships
  • Self-esteem and self-worth/empowerment
  • Personal development
  • Managing emotions
0845 450 3903

Counselling is available for free if you're having other treatment at Marie Stopes UK. Alternatively, you can pay for counselling as a stand-alone service. See our fees here.