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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
Solution
It's Obvious
Similar Questions
Match the items given in the Column $I$ with those in Column $II$ and select the correct option given below:
|
Column $I$ |
Column $II$ |
|
$(a)$ Proliferative Phase |
$(i)$ Breakdown of endometrical lining |
|
$(b)$Secretory Phase |
$(ii)$ Follicular phase |
|
$(c)$ Menstruation |
$(iii)$ Luteal Phase |
Match the columns.
| Column 1 | Column II |
| $(a)$ $6-14$ days | $(1)$ It is known as menstrual cycle |
| $(b)$ $1-5$ days | $(2)$ Polar body is down |
| $(c)$ $15-28$ days | $(3)$ It is known as proliferative phase |
|
$(4)$ Endometrium is prepared forimplantation of embryo |
