Developmental Time Line Flashcards
(7 cards)
1
Q
What is the duration of gestational (menstrual) age? Who uses it?
A
40 weeks or 280 days. Used by obstetricians.
2
Q
What is the duration of ovulation/post-conceptional age? Who uses it?
A
38 weeks. Used by embryologists and radiologists.
3
Q
Embryonic period spans which weeks post-conception?
A
Weeks 3-8.
4
Q
Pre-embryonic period spans which weeks post-conception?
A
Weeks 0-3.
5
Q
Fetal period spans which weeks post conception?
A
Weeks 9-38.
6
Q
Heart development begins at which week post-conception?
A
4th week.
7
Q
Heartbeat detected by TVS at what week from LMP?
A
6th week.
