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Originally Posted by teffiemoore Just because you experience b/t bleeding on hormones doesn't mean you released an egg. Not having enough level of Estrogen to maintain the uterus lining in the hormone your using, causes the tear in the lining of the uterus, hence bleeding begins. Depo provera is a progesterone injection that is received every 3 months, that is only progesterone. It supresses uterine lining growth. Oral contraceptives that are estrogen/prgesterone combo keeps uterine lining growth to a minimum and that is why periods become lighter and cramping should decrease with continued use. While it is somewhat controversial by opinion that not having periods monthly is "bad for you", there is less than a 1% incidence rate by a 10 year controlled study that it causes cancer when suppressed by an E2/progestin hormone combo. Its unopposed estrogen (used without a progestin) that is the enemy.
This information is not my opinion, its supported in the Clinical Gynecologic Endocrinology and Infertility book by Leon Speroff, Robert H. Glass and Nathan Kase.This was my nursing book 14 years ago and my area of passion and practice happen to be OB/GYN  |
I know that bleeding does not equal the release of an egg. But how do women still unexpectedly get pregnant while on birth control without the release of an egg? The cancer piece comes from personal experience. I was on Depo Provera for 3 years and had to come off it as I had cervical cancer. My doctor (and another doctor who I received a second opinion from) both agreed that the cancer was caused by Depo Provera.