First Trimester

Pregnancy Week 3

How big is your baby? At the beginning of this week conception willbe taking place and by the end of this week your 'baby' will be made up of onlya cluster of cells. Once conception has taken place it takes around 5 days for theembryo to enter your uterus. By the end of the week your embryo is only 0.006 inches (0.150mm) long. This isabout as big as this full stop . Your baby's development Although your baby is still so small, there is a great deal which is happening.Your baby's sex has already been determined, as this takes place…


Pregnancy Week 1 and 2

At this stage you are not actually pregnant yet. During the first two weeks you will begin your monthly cycle, ovulate and conception will take place. Our pregnancy calendar is based on a 40 week timetable, so your pregnancy will actually only start during week 3. How is your due date calculated? We calculate your due date by simply adding 280 days to the day when you started your monthly cycle. Yes, your pregnancy start date is actually calculated from when you start your period. The human gestation period is actually 266 days, so by adding 14 days or the…