排卵期出血原因（Causes of bleeding during ovulation）.docVIP

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排卵期出血原因（Causes of bleeding during ovulation）.doc

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排卵期出血原因（Causes of bleeding during ovulation）

排卵期出血原因（Causes of bleeding during ovulation） Ovulation bleeding, that is, women in the middle of the two menstrual period, due to ovarian ovulation caused by a small amount of vaginal bleeding. The female normal menstruation for 28 days (30 days or 3 days before and after a 5 day fluctuation) period time, menstrual period is 3 days to 5 days (or 2 days before and after the wave). Regular ovulation of the ovary is the fundamental guarantee of normal menstruation. There are 2 female ovaries, each of which is located at the posterior lower part of the fallopian tube, producing ova and sex hormones, maintaining normal menstrual physiology and reproductive function in women. Mature women generally have 1 monthly discharge of mature follicles and mature eggs, the middle time of ovulation occurred in two periods, generally in about 14 days before menstruation. A womans menstrual cycle can be briefly divided into 4 periods: 1. menstrual period, namely menstruation to clean for a long time; 2. preovulatory menstruation and ovulation, which is a period of time before; 3. ovulation period, that is, the period of time that an egg is excreted; 4. is the egg from the ovulation period, until the next menstrual period of time. Among them, pre ovulation, follicular gradually developed to mature, and secrete estrogen and a small amount of progesterone. Estrogen makes the endometrium in the bleeding phase gradually repaired and the bleeding stopped and the endometrial lining gradually thickens (called proliferative response) as the estrogen secretion increases. Before ovulation, the estrogen level reached the peak, ovulation, mature follicle rupture, ovum, rapid decline in the level of estrogen, which is a proliferative response by estrogen nutrition endometrial lose support and appear a little bleeding. Normally, this bleeding is very brief (about 1 hours, 2 hours) and can only be seen under a microscope. Red cells are present in the leucorrhea. After ovulation, the ruptured follicle