corpus luteum

    Corpus Luteum Size And Appearance On Ultrasound and Sonogram and Pregnancy Outcome

    Q: I am 5 weeks and 4 days pregnant. I just had a sonogram done and the doctor told me she could not see the corpus luteum.I know the corpus luteum is necessary to produce enough of progesterone to support the pregnancy. Is it a problem? Is my pregnancy progressing well or in danger? ... more »

    Pregnenolone Production in the Early Trophoblast

    A new study published in the Journal of Assisted Reproduction and Genetics links the early placenta to pregnenolone production. Research was completed by authors from the New York University School of Medicine. ... more »

    Why Does a Miscarriage Occur?

    The American College of Obstetricians and Gynecologists estimate up to 25% of pregnancies will end in pregnant miscarriage, but why does pregnant miscarriage occur? ... more »

    Why Does Implantation Bleeding Happen?

    If a fertilized egg implants in the uterus, implantation bleeding may show up, but why does implantation bleeding happen? ... more »

    Facts About Pregnancy

    Pregnancy is a time in life when women feel closer to their spouse and body more than ever before. Here are a few facts about pregnancy for expecting moms. ... more »

    When to Test for Pregnancy With the Best Results

    Despite the claim that home pregnancy tests are effective as little as two to three days before the first day of your next menstrual cycle, the female body does not always live up to this expectation. ... more »

    6 Stages in Pregnancy: The Changing Female Body

    Stages in pregnancy are often divided up into weeks or trimesters. Within these common stages in pregnancy are six major times of change. ... more »

    What Happens in the First Trimester of Pregnancy?

    Understanding what happens in the body during the first trimester of pregnancy is important as some changes may not feel the way a pregnant woman expected. ... more »

    Top 5 Questions About Pregnancy Tests

    Before jumping into a home pregnancy test or other form of pregnancy test, it is best to understand how they work and the best way to use them. ... more »

    What Happens After Ovulation?

    As the egg is maturing, estrogen levels rise causing the luteinizing hormone to increase. The luteinizing hormone forces the egg out of the follicle where maturation occurs. ... more »

    Progesterone Suppositories and Supplementation

    There is no real agreement among doctors whether giving progesterone suppositories early in pregnancy will improve pregnancy outcome. ... more »

    Roll of Progesterone in Fertility, Pregnancy and Corpus Luteum

    Progesterone is a steroid hormone initially secreted by the corpus luteum, an area in the ovary which develops after ovulation. ... more »

    Cervix Soft and High After Ovulation

    Am I still fertile if my cervix is soft and high after ovulation? ... more »

    Tender Breasts, Sore and Hard Nipples and Pregnancy

    Could tender and sore and hard nipples and breasts mean that I am pregnant? ... more »

    Can Ovulation Occur at Any Time During the Cycle?

    Can ovulation occur at any time during the cycle? ... more »


    What is the function of progesterone? ... more »

    Normal And Low Progesterone Levels After Ovulation And During Pregnancy

    Progesterone is a hormone that usually comes from the corpus luteum after ovulation. Measuring progesterone levels can determine if you ovulated or not. Low progesterone levels may be a problem. ... more »

    Biphasic Curve

    The basal body temperature rises and stays up after ovulation because of the progesterone hormone being produced by the corpus luteum after ovulation. This hormone increases BBT. A typical biphasic curve has two distinct phases. ... more »

    FertilChart BBT Interpretation

    The FertilChart guidelines to interpret your charts. ... more »

    BBT - How To Do A Basal Body Temperature Chart

    Learn how to chart your basal body temperature (BBT) ... more »

    Clomiphene Despite Normal Ovulation

    Why would Clomiphene help if I ovulate regularly? ... more »

    BBT up 18 Days negative Pregnancy test

    My BBT is up for 18 days but my pregnancy test was negative today ... more »

    When Is The First Day of The Menstrual Cycle?

    The first day of the menstrual cycle is also the first day of your menstrual period and that is the very first day you observe bright red blood. Brown spotting is not considered a menstrual period. ... more »