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1 and 2 weeks pregnant: your baby

sperm fertilising an egg

Fertilisation occurs during weeks 1 and 2 of pregnancy

During the first and second weeks of pregnancy your nine month journey starts. It begins with your period as your body sheds it uterine lining in order to set up a new home for the next egg that will enter your uterus. It’s designing a home just for your baby! As this happens your eggs are maturing, one will develop, ovulate, rupture and begin its journey into your fallopian tube. When more than one egg ruptures multiple births become a possibility.

As your egg moves down your fallopian tube it has between 12 and 24 hours to be fertilised before you menstruate. This means it is now time for the fun part – fertilisation! Of the thousands of sperm that a man ejaculates only a few hundred make it into your fallopian tube and this is where the real competition begins as only one of those little guys can fertilise your egg.

In fertilisation, the sticky structure of the sperm sticks to the protective shell of your egg and buries itself into the shell, once the egg lining is penetrated your egg is fertilised and you’re one step closer to giving birth.

But remember conception and the day of intercourse are not always the same, because sperm can live in your body for up to 6 days and can take up to 3 days to reach your fallopian tube!

What’s happening to your body this week?

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