Pregnancy,childbirth Flashcards
1
Q
Fertilization
A
Only a few hundred sperms reaches the egg in the vagina, but one can only fertilize it
2
Q
Zygote
A
United sperm and egg
3
Q
Cell division
A
One cell divided into two
4
Q
The blastocyst
A
About 5 days after fertilization, the embryo reaches the uterus and flows free for a few days
5
Q
Implantation
A
When the blastocyst forms, it sticks to the wall of the uterus
6
Q
Amniotic sac
A
Fluid filled bag of thin tissue that develops around the embryo
7
Q
Placenta
A
Attachment holding the embryo to the wall of the uterus
8
Q
Umbilical cord
A
A rope like structure between the placenta and the embryo
9
Q
How many calories should a pregnant woman consume
A
300 calories
