Reproductive Cycles

Question 1

give major phases of ovarian cycle and difference between pregnant vs non pregnant

Answer 1

follicular phase & luteal phase. pregnant women have extended luteal phase

Question 2

How does the follicular phase progress

Answer 2

The increased levels of estradiol secreted by the dominant follicle.

Question 3

What hormone maintains pregnancy

Answer 3

Progesterone

Question 4

How does estrogen act in ovarian cycle

Answer 4

prepare track for sperm transport,

Question 5

Luteal phase

Answer 5

prepare track for receiving embryo

Question 6

Give stages (and sub divisions) of estrous cycle

Answer 6

Follicular (proestrus, estrus)

Luteal (metestrus,diestrus)

Question 7

Pseudopregnancy

Answer 7

length of the luteal phase is lengthened to
11 – 12 days if female rodents are mated to infertile males
or cervix is stimulated mechanicall

ctivates afferent neurons → prolactin release at pituitary
→ PRL is luteotrophic → stimulates CL formation