Always read the leaflet inside the packet so you know what might affect it.
Find out more about what changes could occur with the pill when you're sick or have diarrhoea.
You can also buy a pregnancy test from pharmacies or some supermarkets, which you can do yourself at home. If you're pregnant and it's unplanned, you may be faced with a decision about whether to continue with the pregnancy or end the pregnancy by having an abortion.
But make sure to use condoms as well while you're unwell and for seven days s.If you decide to continue with the pregnancy, start your pregnancy (antenatal) care as soon as possible. If you have sex without a condom or the condom splits or comes off, you're also at risk of getting an STI.If this happens and you're worried you have caught an STI, you can get confidential help and advice in your local area, as well as free testing for STIs, at: Find sexual health services near you.Nobody needs to know you're pregnant until you're ready to tell them. If you've had unprotected sex, there's a risk of both pregnancy and STIs. The sooner you act, the more likely it is that you can prevent a pregnancy and get treatment for an STI.You can ask to see a female doctor if that would make you feel more comfortable. To avoid pregnancy, you can either: If your next period doesn't arrive when you expect it to, take a pregnancy test.
If you're having sex, don't rely on emergency contraception to stop you getting pregnant.