E1 OB Flashcards
Mons Pubis
Protect pelvic bone
Labia Majora
Protect underlying tissues
Labia Minora
Lubricate vulgar, secrete bacterial cidal
Skene’s gland
Lubricating vaginal opening
Hymen
Membrane that pops to enlarge vagina, bleeding occurs, from 1st sex, tampons, horseback riding, increased activity, vigorous exercise
Perineal body
Stretches for delivery
Vagina
A muscular membranous tube that connects external genitals with uterus, birth canal
Fundus of the uterus
Massage after delivery to help control bleeding after birth and prevent postpartum hemorrhage
Cervix
Bottom of uterus, 2 areas internal & external os, thins during delivery
Anterior fornix/ posterior fornix
Space around cervix for semen to pool
Where do fertilized eggs implant?
Endometrium
What is the muscular label at the top of the uterus?
Fundus
Broad ligament
Sheath that covers pelvic cavity and provides stability for the uterus and pelvis and keeps it centrally placed
Round ligament
Helps keep uterus in place and pull it down and forward to help fetal presenting part get into cervix in good position
-Cause of groin pain when prego
Cardinal ligament
Chief uterine support, help suspend uterus in the true pelvis, help prevent uterus from prolapsing down into vagina
-multiple births or long hard deliveries of large children might cause uterus not to stay in place as it should
What links the peritoneal cavity with uterus and vagina?
Fallopian tube
Isthmus
Connects fallopian tube with uterus
-Where bilateral tubal ligation or surgical sterilization occurs
Ampulla
usual site for fertilization
Fimbriae
Fingerlike projections that help grab egg to bring into fallopian tube
Ovaries
Born with all eggs (immature) with ovulation will release eggs and controls hormones
What hormone is low if your having trouble getting prego?
Progesterone
False pelvis
Support wt of enlarged pregnancy and helps direct fetus into the true pelvis
True pelvis
Determines if birth can be vaginally
-Pelvic inlet, pelvic cavity, pelvic outlet
Pelvic inlet
From false pelvis to true pelvis, diameter determines if engagement of babies head can occur
pelvic cavity
curved canal so baby must be able to adjust to fit
Pelvic outlet
Is baby able to pass underneath pubic arch, if not could get “outlet dystocia” or “shoulder dystocia”
Cephalic pelvic disportion (CPD)
Size is not adequate and can’t do vaginal birth
