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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What types of contraception are there?

There are two main types of contraception methods: short-acting or long-acting.

Types of contraception | Contraception Options

Short acting methods of contraception include barrier methods such as condoms, or the pill which require taking a daily tablet. There are also long-acting reversible methods like implants or injections which last for several months to years.what contraception is best image

Long acting non-reversible methods are female sterilisation or vasectomy. Long acting reversible contraceptives (LARCs) are the most reliable if you wish to avoid an unintended pregnancy, but may want children at some point in the future. They have the advantage that, once in place, you don’t need to think about them until they need replacing and none of them interrupt sex.

Only male or female condoms can prevent the spread of sexually transmitted infections.

Short acting contraceptives include:

Long-acting reversible contraceptives include:

Long acting, non-reversible contraceptive methods include:

Marie Stopes UK can provide advice and services for the all forms of contraception but only as a private (non-NHS) c;lient. Read "which contraceptive is best for me?” for advice on our website.

Emergency contraception

You can also get emergency contraception such as the IUD or emergency contraception pill (or so-called morning after pill). You should only use these methods in an emergency e.g. if a condom splits during sex.