--Seow Liew 23:39, 28 July 2010 (UTC)
--Seow Liew 23:04, 4 August 2010 (UTC)
--Seow Liew 23:13, 11 August 2010 (UTC)
This is an internal link :Cell division lecture L2
This is an external link:SMH
Internal link to fertilization:TADA
1.Synctiotrophoblast cells secrete Human Chorionic Gonadotropin to support the ongoing pregancy.
2.Corpus luteum secrete progesterone to prevent continuation of the menstrual cycle.