Human infertility Flashcards
exam 2 (33 cards)
female infertility defects (3)
(1) irregular ovulation or anovulation
(2) reduced secretion of FSH and LH
(3) extreme athletic activity and stress
Female infertility: PCOS
- too little FSH
female abnormalities: (4)
(1) fibroids
(2) absence of uterus
(3) excessive scar tissue
(4) fallopian tube defects
excessive scar tissue cause by surgery
Asherman’s syndrome
Mayer-rok-Ku-Hauser syndrome
congential uterine developmental anomalies
excessive scar tissue
STIs
azoospermia
no sperm cells
oligospermia
few sperm cells
abnormal sperm count and function: (2)
- hormonal abnormalities HPT
2. high testis temp
causes high testis temperature due to a enlarged fluid filled vein
varicocele
by what age, over half of ovulated oocytes are aneuploid and unable to support normal embryonic development
age 40
early menopuase
onset before age 40
Success rate of ____ is similar to fertile population until mid 30’s
IVF
unexplained infertility
25-30%
Fertility Drugs (5)
- clomiphene citrate
- hCG, a LH mimetic
- hMG- mix of FSH and LH
- GnRH
- FSH
inexpensive, orally-administered blocks estrogen receptors in the hypothalamus
clomiphene citrate
key use of clomiphene
used to regulate ovulation or induce ovulation in women who are anovulatory
mimics the LH surge
hCG
mix of LH and FSH
hMG
tx. requires monitoring of follicle size by ultrasound and blood estrogen levels
hMG
____ and ____ stimulate the ovaries to produce multiple dominant in one cycle
FSH and LH
what do you for women who did not have a success with clomiphene citrate FSH and LH and do not produce enough?
Give hMG
patients that are anovulatory because of abnormaltities in both FSH and LH release or no Gonadotropin release?
GnRH
administered at 90 minute intervals by a special drug delivery pump system?
GnRH