Question

what is leutal phase in mensturation cycle? class-12(zoology). no spam ,no report only honest and clear answer

Answer 1

Luteal phase :- 15-28th day
* 15-19th day - formation of corpus luteum and Fertilization Complete inside ampullary isthumic junction of fallopian tube.
* 20-25th day - implantation of fertilised ovum, in case of ovum is not Fertilised, the corpus luteum degenerates this lowers the level of progesterone harmone.
*26-28th day - either corpus Luteum degenerates ( in case of no Fertilization ) or Activated in case of fertilisation till 7 months of pregnancy......
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