The Identification of Gene Products in a Gene Library. Restriction enzymes (to cut the DNA) and gel electrophoresis (to separate the resulting fragments) can be used to produce a physical map of DNA segments in a process known as restriction mapping.
Estrogen pills may be prescribed to lessen the symptoms of menopause, like hot flashes. Estrogen is used in birth control pills to prevent conception. The thickness of the endometrium changes along with the female's menstrual cycle. Older women may have an estrogen deficiency as they begin menopause.
Uses of This Medicine. Progesterone is used to help prevent changes in the uterus (womb) in women who are taking conjugated estrogens after menopause. It is also used to properly regulate the menstrual cycle and treat unusual stopping of menstrual periods (amenorrhea) in women who are still menstruating.elps prevent changes in the uterus in women who are taking estrogen after menopause. Also treats menstrual periods that have stopped before menopause.