Tier 3 Birth Control - ANSWER Fail rate roughly 20%; Barrier methods, can protect against STIs
, Caldwell-Moloy Classification - ANSWER Four basic pelvic types: gynecoid, android, anthropoid, and
platypelloid
FSH - ANSWER Gonadotrophin: targets the ovaries, where it stimulates the growth and development of
the primary follicles and results in the production of estrogen and progesterone.
LH - ANSWER Gonadotrophin: targets the developing follicle within the ovary; it is responsible for
ovulation, corpus luteum formation, and hormone production in the ovaries.
Hypothalamus - ANSWER Releases gonadotropin-releasing hormone (GnRH) in a pulsatile manner to
initiate negative feedback system. Stimulates gonadotrophins->FSH&LH release-> Estrogen/Progesterone
release-> Pituitary gland notes Estrogen/Progesterone levels and regulates the cycle by altering further
FSH/LH release.
Ovarian Cycle - ANSWER The 28 days of the menstrual cycle as they apply to events in the ovary. The
ovarian cycle has three subphases: the follicular phase, ovulation, and the luteal phase.
Follicular Phase - ANSWER The first phase of the ovarian cycle, during which a follicle (an oocyte and its
surroudning cells) enlarges and matures. This phase is under the control of FSH from the anterior
pituitary, and typically lasts from day 1 to day 14 of the menstrual cycle. The follicle secretes estrogen
during this time period.
Ovulatory Phase - ANSWER The second stage of the general menstrual cycle, when the mature ovum is
released. Approximately 10 to 12 hours after the LH peak
Luteal Phase - ANSWER The third phase of the ovarian cycle, during which a corpus luteum is formed
from the remnants of the follicle that has ovulated its oocyte. The corpus luteum secretes progestrone
and estrogen during this time period, which typically lasts from day 15 to day 28 of the menstrual cycle.
Formation of the corpul luteum is triggered by the same LH surge that triggers ovulation, however in the
absence of LH (levels quickly decline after the surge) the corpus luteum begins to degenerate.
Endometrial Cycle - ANSWER The 28 days of the menstrual cycle as they apply to the events in the
uterus. The endometrial cycle is also known as the uterine cycle, and has the three subphases:
menstruation, the proliferative phase, and the secretory phase.
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