Progesterone Research Network        

Your Information Source on Bio-Identical Natural Progesterone

Questions? Call (877) 880-0170                                                                                                                         

Articles on Pregnancy & Progesterone


Progesterone Levels During Pregnancy

The progesterone levels during pregnancy depend on when in the pregnancy you're referring to. Progesterone levels during early pregnancy and low levels of progesterone and early pregnancy should be understood for optimum health as well as how to raise progesterone levels.

During the monthly cycle, if ovulation occurs, the production of progesterone in the body by the ovaries is usually about 15-30 mg a day. And since progesterone production is triggered only by ovulation, that means it should be produced from around day 12 to day 26 for a 28-day cycle (day #1 is the first day of menstrual flow).

If there's a pregnancy, the progesterone levels during pregnancy continue being produced primarily in the ovaries during the first trimester. By the end of the first trimester, the placenta takes over progesterone production and affects progesterone levels in pregnancy.

Hormone levels during pregnancy are crucial, because they influence the growth and development of your baby. They send signals that change the way your own organs function while pregnant - you will experience changes in your uterus, cervix, vagina, endometrium and breasts during pregnancy. Women that are pregnant commonly experience nausea, dizziness, breast soreness and sometimes insomnia.

The progesterone levels during pregnancy of the fetus, it keeps the uterus from contracting and promotes the growth of blood vessels that give nourishment to your baby during pregnancy.

Natural progesterone aids in conception (fertility clinics use sometimes natural progesterone for treating infertility), and the progesterone levels during pregnancy help maintain a healthy pregnancy. The progesterone levels in early pregnancy ordinarily DOUBLES or TRIPLES during the first several weeks of pregnancy. And, of course, progesterone should be produced EVERY DAY during pregnancy (in the regular menstrual period, progesterone is produced at ovulation and for about 14 more days).

To protect the fetus, the progesterone levels during pregnancy then rise to as much as 10 to 15 TIMES normal amounts by the THIRD TRIMESTER. In other words, the progesterone levels during pregnancy can be as much as 300mg to 400mg per day. For women trying to become pregnant, an adequate amount of natural progesterone is crucial, because this hormone prepares the uterine wall for the implantation of the fertilized egg. Without the correct levels of progesterone, low levels of progesterone and early pregnancy can result in the loss of the embryo.
Progesterone is a
dominant hormone during pregnancy. The progesterone levels in early pregnancy have a major role in maintaining a pregnancy during the early months. Progesterone is made by the placenta during pregnancy and it is essential for the development of the fetus and prevention of uterine contractions which could cause premature labor.

Discuss your progesterone levels during pregnancy with your doctor and if low, how to raise progesterone levels naturally.

Information from:
A Natural Guide to Pregnancy and Postpartum Health by
Dean Raffelock, Robert Rountree, Virginia Hopkins, Melissa Block.

These authors and physicians have had decades of experience in using natural progesterone supplementation to eliminate postpartum depression and guide you through the pregnancy.