Blighted ovum is a type of miscarriage that often occurs in the first 3 months of pregnancy. In a blighted ovum, pregnancy occurs, but the embryo implanted in the uterus may not develop into a fetus. The cause of blighted ovum is still unclear, but it may be due to various factors, such as abnormal cell division, abnormal chromosomes, or weak eggs or sperm.

Blighted ovum is an abnormal pregnancy that cannot continue until the due date or miscarriage. In the early stages of pregnancy, when the egg unites with the sperm and forms an embryo, it implants in the uterine cavity, but there is no baby in the pregnancy sac. It usually occurs due to an abnormal chromosome of the embryo. During about 8-13 weeks of pregnancy, a pregnant woman may experience bleeding. This condition is diagnos by ultrasound examination, ทางเข้า ufabet, which will show:
- Gestational sac larger than 18 mm on vaginal examination or more than 25 millimeters. From the abdominal examination, but no embryo was found.
- Gestational sac larger than 10 mm on vaginal examination or more than 20 millimeters from abdominal examination, but the yolk sac has not been found.
- The gestational sac is markedly deform.
Blighted ovum can occur early in pregnancy. Sometimes, a pregnant woman may experience blighted ovum before she realizes she is pregnant. When a miscarriage occurs, the body may expel blood and tissue from the uterus through the vagina, which can cause the pregnant woman to mistake it for a heavier period.
The cause of a blighted ovum is that the fertilized egg or sperm is not strong enough or is not of good quality, causing it to be unable to develop further. There are many causes of weak or poor quality eggs or sperm, which may be related to hard work. Stress, inadequate nutrition, and lack of rest can also be cause by the characteristics. Genetic abnormalities of the eggs or sperm, which may be difficult to identify the exact cause. Therefore, there is still no clear method of prevention that can help.