The secretory phase in the human menstrual cycle is also called
luteal phase and lasts for about $6$ days
follicular phase and lasts for about $6$ days
luteal phase and lasts for about $13$ days
follicular phase and lasts for about $13$ days.
Corpus luteum in pregnancy has a long life. However, if fertilisation does not take place, it remains active only for $10-12$ days. Explain.
Menstrual cycle is controlled by
Ripe ova are shed by ovaries into
Transformation of a young follicle into graafian follicle is controlled by
Menstruation cycle occurs