Background levels of female hormones may cause the breast to grow.
When a woman is pregnant, the levels of female hormones in her body change.
This type of cancer depends on the female hormone to grow.
But for some reason, it plays hell with the female hormones if a woman gets pregnant.
About every month, the levels of female hormones in a woman's body rise and fall.
Whether the cancer she has depends on female hormones to grow.
But according to computer analysis, her male and female hormones are almost identical with the human ones.
He experimented with female hormones but stopped and then, after all his children were born, started again.
Women must manage the effect of female hormones on asthma.
Researchers think female hormones play a role in the development of the disease, which may explain why more women are affected.