Baby: Week 38
Pregnancy is officially over, but you may remain in utero for days
Pregnancy is officially over, but you may remain in utero for days (and doctors will intervene and deliver you by Week 42.) 
Your birth weight should normally be anywhere from 2.5 – 3.8kg, and you should be in or around 50cm. Welcome to life after birth! The next step on your amazing journey.
What to expect discusses week 40 of pregnancyfind out more
Langmans Medical Embryology, Ninth Edition, TW Sadler, 2003find out more