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35 Cards in this Set

  • Front
  • Back
The primary sex organ in the female is
Ovary
" a mass of cells arranged with an egg in the middle, surrounded by flattened epithelial cells" is a ?
Ovarian Follicle
How many ovarian follicles are present at birth?
400,000
How many follicles will ovulate during a woman's reproductive life?
500 or so (13 a year until menopause. Do the math!)
True False A woman continues to make eggs throughout her reproductive life
False A woman makes no more eggs after birth.
On what day of the menstrual cycle does ovulation occur?
Day 14
What hormone triggers ovulation?
LH
What do we call the hormone increase that triggers ovulation?
LH surge
What hormone dominates the pre-ovulatory part of the ovarian cycle?
Estrogen
What do we call the first 14 days of the ovarian cycle?
Follicular phase
What do we call days 15-28 of the ovarian cycle?
Luteal phase
When does fertilization occur?
Day 14
What happens to the follicle after ovulation?
It becomes a CORPUS LUTEUM
What is the dominant hormone in the Luteal phase of the ovarian cycle?
Progesterone
Where does fertilization occur?
In the Fallopian Tube
Where does implantation occur?
In the Uterus
What do we call the first 14 days of the uterine cycle?
Proliferative Phase
What do we call the last 14 days of the uterine cycle?
Secretory Phase
When does implantation occur?
Day 21
What percent of fertilized eggs survive to a live birth?
40% or LESS
What hormones keep the Corpus Luteum alive during early pregnancy?
HCG (Human Chorionic Gonadotropin)
When do we start counting the weeks of pregnancy?
Day ONE of the last menstrual period.
How many weeks is the normal pregnancy?
40 weeks
What is a premature birth?
Less than 37 completed weeks of gestation
What is the role of Estrogen in lactation?
Growth and branching of DUCTS
What is the role of Progesterone in lactation?
Growth of GLANDS

What is the role of Oxytocin in lactation?

Stimulates milk "let down" (milk is pushed into the ducts and made available to the baby.)

What is the role of Prolactin in lactation?
Stimulates milk production
Why doesn't lactation occur in pregnancy?
Progesterone blocks milk production
Placental hormone (Human Placental Lactogen) blocks Prolactin effect
T/F In female sterilization, the tubes are tied
FALSE! A section of tube is removed or burned.

How many days of the cycle can an egg be fertilized?

ONE. If the egg is not fertilized on the day of ovulation, it disintegrates and is reabsorbed. Since sperm can survive for days, this does not mean a woman is only capable of getting pregnant with intercourse one day a cycle!

What hormonal change triggers menstruation?

Progesterone withdrawal

Day ONE of the menstrual cycle is counted as

The first day of bleeding

What do we call the first 14 days of the ovarian cycle?

Follicular phase

What do we call days 15-28 of the ovarian cycle

Luteal phase