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18.fertilization is most likely after 12-24 hrs of ovulation and ovulation occurs on day 14 of cycle. So after 12-24 nrs of ovulation , egg reaches in fallopian tube from ovary to get fertilise.
endometrial wall shedding
progestrone level falls
|Scar of corpus luteum|
proliferation of endometrium and secrretion of mucous under the effect of oestrogen released from follicle
Cervical mucous watery stingy
cervical os is open
around 14th day, oestrogen stimulates pituitary gland to secrete leutinizing hormone to rupture matured follicle
endometrial thickening and mucus secretion. Thick cervical mucous
cervical os closed with cervical plug formation
|Corpus luteum secretes progestrone|
20. Structural defects of the uterus likely contribute to dysfunctional uterine contractions and abnormal blood flow during menstruation, i.e. retrograde menstruation. Both obstructive and nonobstructive uterine anomalies can lead to increased retrograde menstruation. dysfunctional uterine peristalsis (movement) and the distribution of ectopic endometrial tissue.The combination of dysperistalsis and retrograde menstruation with a receptive peritoneum to this menstrual debris causes increased risk pf endometriosis.
21. Leutinizing hormone as it increases at the time of ovulation. It causes the realease of estrogen that results in rupture of ovarian follicle to release egg.
on day 10 era 17. What uterine tissue undergoes dramatic changes during the menstrual cycle) rual cycle? endometrium...