-
Period: to
Zygote
First two weeks -
Period: to
Embryo
Week 3-8 -
Period: to
Fetus
9 week - birth -
Period: to
First trimester
1-13 weeks -
Period: to
Second Trimester
14-26 weeks -
Period: to
Third Trimester
27-40 weeks -
Period: to
Week of sex detection
16 weeks -
Period: to
Week of viable
24 weeks -
Period: to
Full term pregnancy
40 weeks