pregnancy care, amenorrhea Flashcards
Gonadal dysgenesis
ovaries are replaced by tissue called gonadal streak, no produciton of ovarian steroids ie estrogen, so no breasts, but internal and extern al gentialia are phenotypically female FSH LH elevted due to lack of negative feedback,
Primary amenorrhea, breast present, but uterus absent
- mullerian agenesis ( 46,xx) mullerian structures just don’t form, normal testosterone 2. Androgen insensitivity syndrome (46, xy) male but no androgen receptor so will see no pubic hair
primary amenorrhea: no breasts, uterus present
- no ovarian follicle top produce sex steroid, estrogen ( FSH high) GT17 Gonadal Dysgenesis, Turner Syndrome 17alpha-Hydroxylase deficiency 46(,XX) 2. HPA Axis disorder, low (FSH from lack of GnRh secretion) Kallman Syndrome, lesion in brain
primary amenorrhea: no breasts, no uterus
17 alpha hydroxylase 46,XY
normal semen analysis: sperm count, motility, morphology, volume
sperm count >15 million/mL; motility (>40%); morphology >4%; >1.5mL
Infertility diagosis
<35yo - no concepiton after 12 months of trying’ >35 yo 6 months of trying
When should hysterosalpingogram be performed and why?
day 6-11 of cycle to avoid contrast injection when patient is pregnant
To assess ovulation, what hormone level, when, cutoff?
day 21 (mid liteal phase) progestrone >3ng/mL means pt is ovulatory
single lab to assess ovarian reserve
anti-mullerian hormone
McCune Allbirght Syndrome 3 P’s
- precocious puberty 2. polyostotic fibrous dysplasia 3. pigmentation Café-au-lait spots
virilization
female developing characteristics associated with male hormones
OB visit frequency when GA <28 weeks
every 4-6 weeks
OB visit frequency when GA 28-36 weeks
every 2-3 weeks
OB visit frequency when GA 36-41 weeks
weekly
OB visit frequency when GA 41-42 weeks
2x/week