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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How confidential is your vasectomy service?

Confidentiality and privacy are often extremely important for clients, who may not want their family or GP to know that they're considering a vasectomy.

At Marie Stopes UK you can access vasectomy services without anyone knowing including your family, friends and doctor.

Privacy and Confidentiality are an essential part of our service

Anything you tell Marie Stopes UK staff will be kept confidential. Once a person contacts Marie Stopes UK their data is stored securely. As a provider of NHS services, Marie Stopes UK has to meet stringent data protection rules in all of the services it provides. When you book treatment you can choose how you are contacted, so you can also protect your privacy over email, text or letter. Any letters, emails or texts sent out by Marie Stopes UK will be discreet.

Do I need to tell my GP?

Any treatment you receive won't be added to your medical records unless you give your clearance. 

Do I need to inform my partner?

Not at all. Only you can decide if it is the right thing to do. We nevertheless recommend that if you have a long-term partner, you discuss your decision together.

Need to talk about your options with Marie Stopes UK?

Our 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 0212 or email services@mariestopes.org.uk.

Available download:

PDF icon Vasectomy leaflet.pdf1.13 MB