The hormone responsible for preparing the uterus for implantation of fertilized egg is :
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → Progesterone
The sex hormones are steroids produced by the gonads. In the female, estradiol controls the secondary sex characters and the menstrual cycle, and progesterone prepares the lining of the uterus for implantation of the fertilised egg and maintains pregnancy.
NCERT (2026-27 edition):
Hormones – “… Hormones released by gonads are responsible for development of secondary sex characters. Testosterone is the major sex hormone produced in males. It is responsible for development of secondary male characteristics (deep voice, facial hair, general physical constitution) and estradiol is the main female sex hormone. It is responsible for development of secondary female characteristics and participates in the control of menstrual cycle. Progesterone is responsible for preparing the uterus for implantation of fertilised egg.”