QuestionSBA
QuestionChoice
During ovulation, a surge in luteinizing hormone causes the dominant follicle to release an ovum from the ovary. Progesterone levels slowly build up to a peak after this, with ongoing secretion from the corpus luteum.
10025572
c
Ovulation
QuestionChoice
During the luteal phase, the corpus luteum releases peak levels of progesterone. This functions to thicken the uterine lining and prepare for implantation. If implantation occurs, the corpus luteum continues to secrete progesterone to maintain the embryo. If there is no implantation, the corpus luteum degenerates and the cycle is restarted.
10025570
a
Luteal phase
QuestionChoice
During the menstruation phase, follicle-stimulating hormone and luteinizing hormone levels are above that of progesterone and oestrogen respectively. The lining of the uterus is shed from the body due to the lack of implantation.
10025571
b
Menstruation
QuestionChoice
The dominant hormone during the follicular phase is oestrogen. Oestrogen is secreted by the granulosa cells that surround follicles causing them to mature and be ready for ovulation.
10025573
d
Follicular phase
QuestionChoice
This is not a recognised part of the menstrual cycle. During the luteal phase, the corpus luteum releases peak levels of progesterone to thicken the uterine lining and prepare for implantation. If implantation occurs, the corpus luteum continues to secrete progesterone to maintain the embryo. If there is no implantation then the corpus luteum degenerates and the cycle is restarted
10025574
e
The thrombocytic phase
Concept
Chapter
2693
3841
Menstrual cycle
Topic
175
Reproductive Physiology
17512
A 33 year old marathon runner is attending a specialist gynaecological clinic to discuss her secondary amenorrhoea. She is interested in learning more about her menstrual cycle.

At which of the following points of the menstrual cycle would progesterone levels be expected to peak?
a