Read the following statements and choose the incorrect one. (1) High levels of estrogen triggers the ovulatory surge. (2) Oogonial cells start to proliferate and give rise to functional ova in regular cycles from puberty onwards. (3) Sperms released from seminiferous tubules are poorly motile/non-motile. (4) Progesterone level is high during the post ovulatory phase of menstrual cycle.