Assertion `:` Combinations of progesterone and estrogen are used as antifertility drugs.
Reason `:` Progesterone and estrogen control the pregnancy.

Assertion : Combinations of progesterone and esterogen are used as antifertility drugs. Reason : These control the pregnancy.

(A) Combination of synthetic progesterone and estrogen derivative are used as antifertility drugs (R) Synthetic estrogen and progesterone are hormones.

Estrogen and Progesterone

Low level of progesterone and estrogen in blood stimulate

Low level of progesterone and estrogen in blood stimulate

Low level of progesterone and estrogen in blood stimulate

Name one synthetic progesterone derivative which is used as antifertility drug.

Low level of progesterone and estrogen stimulates production of