Female Sex Hormones: __ and Progesterone

This page is the CodyCross answer for the clue below from Rainforest, Group 1217, Puzzle 3 (White Water Rafting).

Question is: Female Sex Hormones: __ and Progesterone

and the answer is: ESTROGEN

Word Meaning:

ESTROGEN — (biochemistry, steroids) Any of a group of steroids that are secreted by the ovaries and function as female sex hormones.

Definitions from Wiktionary.