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Case Study -  Uterine bleeding induced by intercourse or sexual orgasm - progesterone solution and side effects.
Reader 1: 8/8/2001>Lately after having an orgasm I have started to bleed. I am going to be tested for dysfunction uterine bleeding, but what would all of a sudden case this bleeding to occcur?

Dr. Lin: 8/8/2001>
Women whose progesterone levels are too low or suddenly drops during orgasm will experience powerful or violent orgasms and uterine bleeding more often.
A progesterone cream can help dampen violent orgasms and secure the uterine lining until the beginning of menstrual cycle.
Progesterone is mainly produced by the ovaries although the adrenal glands contribute a little.
Progesterone will increase the threshold for uterine excitation, resulting in low-frequency high-amplitude contraction (PMS) , and orgasm difficulty/dysfunction (requiring a heavy/high-stroke and low-frequency stimulation for orgasm) ; stimulate cervix to produce thicker, opaque and less abundant mucus; thicken the uterine lining; change the vaginal lining cellular structure from small pyknotic nuclei to large nuclei. 
A high level of progesterone causes vaginal dryness and intercourse pain and make sexual orgasm become very difficult to achieve. 
Fetus can shoot the pregnant women's progesterone level from 10 ng/ml to 120 ng/ml in 2 weeks after the egg is fertilized and planted. This generally will suppress libido and orgasmic functions to protect the unborn. The fetus-generated estrogen will shoot up the pregnancy estrogen level which makes the sex orgasm become very watery and fatty for reduction of shock impact on the uterus. It will also dampen the uterus contraction. If the thyroid function is weak, a high level of progesterone and estrogen will result in depression. 
The progesterone secretion in the luteal phase (the high-temperature period as shown in http://www.actiontao.com/image/cycle.jpg  ) will be around 20-30 mg per day, about 10-fold of the other times.
Women's sexual response in the Luteal phase is weaker than other times except 1 or 2 days prior to the beginning of the period, when the progesterone level abruptly drops to allow the separation of the uterine lining for menstrual bleeding.
Progesterone creams or progesterone-based birth control pills can help you out. But, the progesterone pills will stimulate the liver to produce more Sex-Hormone-Binding Globuling (SHBG) protein that freezes up testosterone and estrogen, and may dry up your vagina and kill your libido and orgasm as well.
Progesterone creams are safe, and won't affect the liver function too much. 
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