Low Progesterone Infertility

Low progesterone infertility affects many women who are trying to get pregnant. Not only does low progesterone prevent many women from conceiving, it also can cause a woman to miscarry in early pregnancy.

Low progesterone and infertility inevitably go hand in hand, as progesterone is important for preparing the uterine wall for implantation of the fertilized egg. It is a vital hormone for a healthy conception and pregnancy. Further, progesterone helps to prevent rejection of the developing embryo.

Without this continuous progesterone production, the uterine lining would shed, and a miscarriage would follow. A luteal phase defect is caused by this lack of proper amounts of progesterone in the luteal phase of a woman’s period.

During ovulation, progesterone levels rise rapidly to provide the proper environment for the fertilized egg. It is also responsible for the increase in body temperature at ovulation that lasts throughout the luteal phase. If fertilization doesn’t occur, progesterone levels drop dramatically, and a new cycle and menstruation begin.

Women with a history of miscarriage due to low progesterone infertility should begin using progesterone cream as soon as they know they have ovulated in order to supplement their own progesterone and possibly prevent another miscarriage. It’s important to not use progesterone before ovulation, as this can prevent ovulation from occurring.



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If a pregnancy test is positive, continue taking the progesterone throughout pregnancy and don’t stop suddenly until the third trimester when your body will be making enough that a sudden drop of the small amount supplemented won’t be missed. It would be wise to use the progesterone under the supervision of a doctor, particularly one who is experienced in dealing with low progesterone and infertility.

If the pregnancy test is negative, then stop supplementation of the progesterone on the last day of your cycle. In order to know when the last day of your cycle is, it’s important for you to have a good knowledge of your cycles and how long they typically last.

If you are unsure if you have low progesterone levels, begin to chart your basal body temperatures to see if you have a good solid rise in temperature after ovulation each month.   Go here to learn more about BBT charting.

Learn More About Female Infertility

Read More about Luteal Phase Defect