Using contraceptive pills causes inhibition of ovarian graafian follicle growth due to a high level of gonadotropin hormone through a negative feedback mechanism.
Q: True or False The stimulus for the initiation of menses is the LH surge.
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- Oestrogen, follicle-stimulating hormone (FSH) and luteinising hormone (LH) works together to coordinate the menstrual cycle. A woman will be infertile if her pituitary gland does not release enough FSH. Explain how injections of FSH could increase her chance of having a babyDescribe, with the aid of a diagram, the differentiation of the indifferent gonad into a testis.estrogen does which of the following? Breast development, triggers the LH surge, proliferation of the uterine endometrium, or all of the above.
- describe follicular growth and development.At the start of the follicular phase, levels of estrogen allow FSH levels to O low, decrease O high, increase O high, decrease O low, increaseBased on the schematic below, illustrating the control of the hypothalamus and the pituitary gland by the ovarian hormones, how would you design a hormonal female contraceptive that keeps secretion of FSH and LH low in order to prevent ovulation?
- From what I understand, menopause occurs after depletion and atresia of ovarian follicles. So, would something that depletes follicles at a faster rate than normal, such as fertility treatments, lead to early menopause?Describe the effects of steroid hormones on the cervix as they change during the oestrous cycleHypothalamus Anterior pituitary Decreased negative feedback inhibition and (Day 1] (Day 28] Ovaries Corpus luteum regresses Increased sensitivity of follicles to Ovaries Growth of follicles Anterior pituitary Positive feedback Anterior pituitary Hypothalamus surge Negative feedback Ovaries Empty follicle becomes a Ovulation [Day 14] corpus luteum