An unusually shaped uterus, which can affect implantation and the ability to carry a pregnancy to term. Infections can also cause infertility in men and women. Failure of an Egg to Mature Properly. Implantation Failure.
While the specific cause of implantation failure are often unknown, possibilities include: 3 , 4 , 5 Genetic defects in the embryo Thin endometrium pronounced en-doh-MEE-tree-uhm Embryonic defects Endometriosis Progesterone resistance Scar tissue in the endometrial cavity.
Current theories on how endometriosis causes infertility include the follow: Changes in the structure of the female reproductive organs may occur. Endometriosis can cause pelvic adhesions made of scar tissue to form between nearby structures, such as between the ovary and pelvic wall. This can obstruct and affect the release of the egg after ovulation. Scarring in the fallopian tube can interrupt block the egg's movement through the fallopian tube.
The lining of the abdomen, which is called the peritoneum pronounced pair-ih-tuh-NEE-uhm , may go through changes that affect its function: In women with endometriosis, the amount of fluid inside the peritoneum often increases. The fluid in the peritoneum contains substances that can negatively affect the functions of the egg, sperm, and fallopian tubes.
Chemical changes in the lining of the uterus that occur as a result of endometriosis may affect an embryo's ability to implant properly and make it difficult for a woman to stay pregnant after conception.
Uterine Fibroids. Fibroids are more likely to affect a woman's fertility if they 12 : Change the position of the cervix, which can reduce the number of sperm that enter the uterus Change the shape of the uterus, which can interfere with the movement of sperm or implantation Block the fallopian tubes, which prevents sperm from reaching the egg and keeps a fertilized egg from moving to the uterus Interfere with blood flow to the uterus, which can prevent the embryo from implanting A more detailed description of uterine fibroids can be found on the NICHD uterine fibroids topic page.
Autoimmune Disorders. American Family Physician , 75, — Centers for Disease Control and Prevention. HPV vaccines: Vaccinating your preteen or teen.
Polymorphism of genes and implantation failure. International Journal of Molecular and Cellular Medicine, 2 1 , Simon, A. Assessment and treatment of repeated implantation failure RIF. Journal of Assisted Reproduction and Genetics, 29 11 , — Endometriosis and implantation: Myths and facts. Middle East Fertility Society Journal, 17 2 , 79— Giudice, L.
Clinical Practice: Endometriosis. New England Journal of Medicine , 25 , — Endometriosis and infertility: A committee opinion. Community groups. Home Getting pregnant Before you begin Get ready for pregnancy. Can you choose to have a boy or girl? In this article Can you really choose the sex of your baby? Visit our community.
Enter your due date or child's birthday dd 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec yyyy Trying to conceive? We use your health information to make our site even more helpful. By clicking the button, you agree to our policies and to get emails from us. Join BabyCentre. Does this make it seem nearly impossible to have a healthy baby? Well, you might be relieved to know that in , nearly 3. So, what other factors are known to affect your chances of getting pregnant and having a healthy pregnancy?
Once a woman has begun ovulating typically during her teen years and her menstrual cycle begins to follow a predictable pattern, the chances of getting pregnant are quite high.
Women in their early 20s to early 30s have a one in four chance of becoming pregnant each month. However, the likelihood of becoming pregnant decreases as women continue to age past By the time a woman is 45, her likelihood of getting pregnant without medical intervention is highly unlikely.
What about the other half of the pregnancy equation? Men can produce sperm throughout their lifetime, but eventually the quality will begin to deteriorate.
Some of the biggest concerns around older men fathering children is an increased likelihood of genetic defects in the sperm. Older men may also experience issues with libido or ejaculating, though this can also happen to younger men.
No matter what his age, if a man is having trouble with his libido or ejaculating, he should consult his doctor for medical advice and recommendations. Eating mindfully, exercising, and maintaining a healthy lifestyle can help to get your body in the proper alignment.
Additionally, regular exercise and healthy eating in preparation for pregnancy and throughout the pregnancy can lead to better birth outcomes. For example, 70 to 80 percent of women with polycystic ovary syndrome PCOS have fertility issues. Similarly, about one third to one half of women with endometriosis struggle to become pregnant.
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