Numbers To Remeber Flashcards
Uterus & tube arise from Müllerian duct
5th week
Wt of Non parous & parous uterus
Non: 50-70g
P: 80+g (1100 @ term)
Length of oviduct
8-14cm
Ovulation occurs…
24 hours after estradiol peak
34-36 hours after initial rise in LH
LH peak
10-12 hrs before ovulation
Ovarian progesterone production peaks at … during midluteal phase
25-50mg/day
Secondary rise that reaches a peak production of estrogen … @ midluteal phase
0.25mg/day of 17-estradiol
When will CL regress in the absence of pregnancy
9-11 days after ovulation
Follicular phase
5-7 days or 2-30 days
Luteal or secretory phase
12-14 days
Epithelial surface of endometrium has been restored and revascularized by what day
5th day of endometrial cycle
Glycogen accumulates in basal portion of glandular epithelium creating subnuclear vacuoles & pseudostratification
Day 17 (1st sign of ovulation)
Stromal edema
Day 21-24
Apparent stromal mitosis
Day 22-25
Predecidual cells surround spiral arteriole
Day 23-28
Window of implantation
Day 20-24
Completely enlarged decidua
14-16 weeks
Implantation of blastocyst
6-7 days after fertilization
Uterine receptivity
Day 20-24
Trophoblasts differentiation
8th day post fertilization
Blastocyst totally encased in the endometrium
Day 10
Lacunae formation within the syncyctiotrophoblast
12 days after conception
Chorionic villi can first be distinguished
12th day of fertilization
Maternal blood enters the intervillous space
14-15 days after fertilization
Placental circulation is established
17th day
Definitive chorionic plate formed
8-10 weeks
Chorion leave & amnion separated by exocoelomic cavity
Until 3rd month
Placenta = fetal weight
17th week
Placental wt
508g
Prominent venous plexus separates the decidua basalis from the myometrium, thus provides a plane cleavage for placental separation
After 30th week
Maximal secretion of hCG
8-10 weeks
hCG detectable in plasma of pregnant woman
7-9 days after mid cycle surge of LH
hCG begin to decline
10-12 weeks
hCG takes over CL
8 days after ovulation or 1 day after implantation
hPL detected in trophoblast
2nd-3rd week after fertilization
hPL identified in cytotrophoblast
Before 6 weeks
hPL demonstrable in placenta
5-10 days after conception
Detected in maternal serum
3 weeks post fertilization
hPL rises
Until about 34-36 weeks
Placental hGH-V
21-26 weeks
Inc in concentration
36 weeks
Increase in utero placental blood flow near term
450-650ml/min
CL functions maximally
1st 6-7th week of pregnancy –4-5 weeks post ovulation
FSH don’t reach perimenopausal level until
5 wks postpartum
Metabolic rate by 3rd trimester
Increased by 10-20%
Approx wt gain
12.5 kg or 27.5 lbs
Min amt of extra water that average woman accrues
6.5L
Average increase in erythrocyte volume
450ml
Most important change in cardiac function
First 8 weeks of pregnancy
Increase in CO
5th week
Increase in plasma volume
Weeks 10-20
Increase in resting pulse rate
10beats/min
Patent vagina
6th month of life