As a follow up to the "world smallest" premature baby (21 Feb blog),
I have searched a few sites about foetus / embryology.
Visible Embryo:
Good site to visualize 'baby' development from Oocyte Fertilized to full term foetus (at 40 weeks)
Islam has explained all those developmental embryology well before modern medical science discovered it, (1400+ years ago)
Here are the good sites:-
Embryology and Islam:
The Amazing Al-Qur'an: