A sperm fertilises an egg and about 40 weeks later it's developed into a fully-grown baby, ready to be born. But in the meantime, what exactly is going on inside the womb?
So you've been patiently trying to get pregnant for 18 months or more. And you and your partner have tried all the tips. But you're still not pregnant.
Pregnancy can come as a surprise. It’s easy to forget about the condom in the heat of the moment. Even if you use contraception perfectly, sometimes it fails.
You’ve had intercourse without using contraception, even though you don’t want to be pregnant. Or you think something could have gone wrong with your contraception – perhaps you forgot to take your pill, or a condom burst. What can you do?