They are the two main hormones regulating the menstrual cycle and fertility.
Blood sugar levels may increase slightly when oral contraceptives are used
"On the pill" is a phrase used to indicate someone is taking oral contraceptives.
According to the instructions on the packaging.
There may be a variety of uses, but progesterone drops are typically used as a supplement to balance estrogen if a woman's body is progesterone deficient. In some instances, progesterone may be used to bring on a period in women who aren't having regular cycles.
Condoms are the only contraceptives that prevent both pregnancy and the spread of STD's, so they are hands-down the best method of contraception (with a success rate upwards of 98% when used correctly). To absolutely prevent pregnancy, it would be wise to use condoms AND a daily oral contraceptive (in case of condom failure, daily oral contraceptives are up to 99% effective when used correctly).
Contraceptives are actually the antagonists of the progesterone hormones and they prevent a fertile women from conceiving by denaturing the egg prior to fertilization. This prevents formation of the zygote. These contraceptives are derived by growing them in cell culture lab and the nutrient deficient mediums, the lacking nutrients where they fail to grow are extracted and used as formulation in the form of pills.
Hormones control the release of eggs, and Birth Control pills either regulate or prevent that release.
Several hormones exist, and there are many different ones depending on what the body is doing. The main hormones are Testosterone in males, Oestrogen in females and Progesterone in both (however females have a much higher amount).
All birth control pills contain an aritificial progesterone. Most also contain an artificial estrogen.
Contraceptives are used to prevent pregnancy from occurring.
oestrogen
All of those except hoping will reduce the risk of pregnancy, but oral contraceptives have a much greater effectiveness than natural family planning or withdrawal. Used correctly and consistently, natural family planning using proven methods like Cycle Beads or symptothermal method can be quite effective.