cycle

[MIA6]

1. What does the level of FSH decrease and remain at a relatively low level during days 15-28 of the cycle?
2. What signals the end of one cycle and the beginning of another? <Does it relate to feedback? I really have no idea about these two questions. > Hope you can give me some hints, so i can think it in a right way. Thanks.

[baikuza]

please refer to this URL
http://www.wisc.edu/ansci_repro/lab/lab … cycle.html

from the pic., we know that what control (make our body to stop producing FSH) is the occurence of LH.

this is the hint
hypotalamus, GnRH (FSH-RF and LH-RF), and homeostasis.

if you feel hard to find some on net, maybe this will help (^_^), i hope.

http://sprojects.mmi.mcgill.ca/menstrua … ology.html

signal>> in the absence of pregnancy… acctually it refer to the productivity of the certain hormone. hint: the hormone produced by corpus luteum.
hope this help (^_^)

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