Name the periods of prenatal development
State the malformation during the periods
congenital malformation
What is the time frame for the preimplantation period?
the 4th day to the 7th day
What is the time frame for the embryonic period?
day 4 to the 8th week
What is the time frame for the fetal period?
8th week until birth
What is the numbers of congenital malformations?
1 in 700 life births have some kind of birth defects