Trimester 3
Week 39
About the size of
a small watermelon
~50.7 cm~3288 g
Averages only: a scan is the only way to know your baby’s size.
Your baby this week
Full term. The brain and lungs continue maturing right up to birth: these last weeks genuinely matter.
What you may feel
Contractions may come and go for days. Waiting is often the hardest part.
This week, try
Time contractions only once they feel regular. Watching the clock too early makes the wait harder.
Weeks are counted from the first day of your last period, as your care team counts them. Written by The Childhood Journal’s team from standard prenatal references. Not yet reviewed by a clinician: our scientific board is being formed. General information, never an assessment of your pregnancy.