can u answer and explain this bio question? (about female reproductive cycle)

Keroro

Member
10+ Year Member
Apr 4, 2006
87
0
35
Status
Pre-Dental
What physiologic event will take place if both estrogen and progesterone levels remain high in the human female blood for a prolonged period of three months?



A. 28-day menstruation cycle will be observed during this period of time.
B. Ovulation will occur during this period of time.
C. Ovulation will be unlikely via positive feedback inhibition on the release of luteinizing hormones by posterior pituitary.
D. Ovulation will be unlikely via negative feedback inhibition on the release of luteinizing hormones by anterior pituitary.
E. None of the above.
 

fancymylotus

A Whole New World
10+ Year Member
Jul 21, 2004
36,052
17,718
Keroro said:
What physiologic event will take place if both estrogen and progesterone levels remain high in the human female blood for a prolonged period of three months?



A. 28-day menstruation cycle will be observed during this period of time.
B. Ovulation will occur during this period of time.
C. Ovulation will be unlikely via positive feedback inhibition on the release of luteinizing hormones by posterior pituitary.
D. Ovulation will be unlikely via negative feedback inhibition on the release of luteinizing hormones by anterior pituitary.
E. None of the above.


well,its not C. :laugh:
 

digdig

Junior Member
10+ Year Member
5+ Year Member
Jul 1, 2006
33
0
Status
Pre-Dental
D. corpus luteum secretes high levels of estrogen and progesterone which negatively inhibits gnrh and LH