Progesterone is a hormone released by the corpus luteum in the ovary. It plays important roles in the menstrual cycle and in maintaining the early stages of pregnancy. It may also be involved in the growth of certain cancers.
I've been following various people's posts about the GRE for 10 months now. Some people don't study at all for the GRE, some study for a weekend, the average is about 2 to 3 months, and some study for a year or more.
Plus, the GRE General Test (formerly the GREÂ® revised General Test) provides the ScoreSelectÂ® option, which means you can take a GRE test now or again in the future, and only send schools your best set of scores. Best of all, you have five years to decide how to use any of your scores.