Hormones control the release of an egg
If he is taking female birth control pills forget him. They contain hormones and he is not taking them for birth control.
Hormones control the release of eggs, and Birth Control pills either regulate or prevent that release.
No, birth control pills do not contain testosterone. They typically contain synthetic versions of the hormones estrogen and progestin, which work to prevent pregnancy by suppressing ovulation and thickening cervical mucus.
Birth control pills have hormones because hormones are the chemicals that affect ovulation and other aspects of fertility in the female body.
Birth control patch
All birth control pills contain an artificial progesterone. Most, but not all, also contain an artificial estrogen.
Birth control is what is used to prevent unintended pregnancy, there are multiple different types of birth control that work in different ways, it is ignorant to say 'birth control' to mean one specific type of birth control. Without knowing what type of birth control you're referring to we cannot answer your question - some birth control does absolutely nothing to your hormones, some birth control completely shuts down your hormones.
Endocrine is a medical term meaning relating to glands that make hormones. Estrogen and progestin are in the most common kinds of birth control pills; some others contain only progestin.
Yes, the birth control patch is a hormonal method
"the pill".
The typical birth control pill contains both estrogen and progestin. Some birth control pills contain only progestin.
Birth control hormones are likely to keep endometriosis from getting worse. If you have severe symptoms or if birth control hormones and NSAIDs don't work, you might try a stronger hormone therapy.