How Many Weeks is The First Trimester?
Trimesters FAQs
The first trimester starts from the day of conception (when an egg is fertilised by sperm) to about 12 weeks. This is based on an average gestation of 40 weeks. Apart from morning sickness a lot of what is happening during this trimester is not felt or seen by the naked eye.
Join
Supporting both you and your baby’s wellbeing and nutrition
Not quite what you're looking for?
Simply start typing a keyword or question to begin your search