First Trimester

Baby Names

First Trimester

Baby Names

First Trimester
What is a Trimester? The word trimester means "3 months" and is used to describe a division of the duration of pregnancy. When does the first trimester start? How long is the first trimester? When does the first trimester end? The First Trimester describes the pregnancy period from Conception to 12 weeks.

Second Trimester

Third Trimester

First Trimester
Discover when your baby’s eyelids and toes form. Find out when your baby can frown turn its head or hiccup! Did you know that by week 5 in your first trimester your baby is 10,000 times larger than the fertilized egg.

And that by week 8 of your first trimester that your baby begins to hear. By week 9 of your first trimester your baby's heart has 140-150 beats every minute - about twice as many as yours.

First Trimester Screening
The first trimester ultrasound scan provides your first glimpse of your baby - remember that the foetal image is enlarged to fill 75% of the screen!

Multiple gestation can also be detected on ultrasound during the first trimester screening. The first trimester screening also confirms the accuracy of the pregnancy dates.

First Trimester Screening
First Trimester screening is carried out to help identify increased risks of Down syndrome and other foetal abnormalities in a foetus, particularly for older women who have higher risks of such pregnancies. First trimester screening is a prenatal screening test performed at 11-14 weeks. Prenatal screening in the first trimester requires an ultrasound and blood test.

Pregnancy

Pregnancy Week by Week