Ovulation does not occur during pregnancy in the human female because
The follicles are not influenced by the level of progesterone in the blood
The corpus luteum and later the placenta produce large amounts of progesterone
The corpus luteum generates as luteinising hormone is no longer produced
The embryo produces hormones which retard the production of maternal follicle stimulating hormones
In the human female, menstruation can be deferred by the administration of
In woman cessation of menstruation occurs at the age of
The following graph of relative concentrations of the four hormones present in the blood plasma of a woman during her menstrual cycle. Identify the hormones.
What are the events that take place in the ovary and uterus during follicular phase of the menstrual cycle ?
Corpus luteum is the source of secretion of