Implantation is done by the hormone -
Follicular stimulating hormone
Progesterone
Oestrogen
None of these
Progesterone is a hormone secreted by ovaries. It maintains the lining of the uterus during the middle part of the menstrual cycle and during pregnancy. One of the progesterone's most important functions is to cause the endometrium to secrete special proteins during the second half of the menstrual cycle, preparing it to receive and nourish an implanted fertilised egg.
Option 2 is the correct answer.