anatomy of pregnancy Flashcards
1
Q
how do you calculate EDD?
A
LMP+12 months - 3 months +7 days
2
Q
when is a women at term?
A
37-42 weeks
3
Q
what is the anatomical reference point for the presenting part in labour?
A
ischial spines
4
Q
what is the nerve supply for the pelvic floor?
A
sacral plexus S3,S4
5
Q
what are risk factors for an ectopic pregnancy?
A
- PID
- IUCD
- chlamydia
- endometriosis
- previous appendicitis
- abdo surgery
- smoking
6
Q
where are a majority of ectopic pregnancies?
A
the ampulla
7
Q
what does the ectodermal layer give rise to?
A
structures in contact with the outside world- skin
8
Q
what is the placentas blood supply?
A
spiral arteries