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.
Follow @TIMEHealth. For decades, doctors have prescribed birth-control pills in the hopes of easing womenâs menstrual pain, and now a new study finds that it really does serve the purpose: using oral birth control pills helped relieve cramps, bloating and other pain in a 30-year study of Swedish women.