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The sex of the fetus may be discerned by ultrasound as early as 11 weeks' gestation. The accuracy is relatively imprecise when attempted early. [15] [16] [17] After 13 weeks' gestation, a high accuracy of between 99% and 100% is possible if the fetus does not display intersex external characteristics. [18]
Ectopic pregnancy is a complication of pregnancy in which the embryo attaches outside the uterus. [ 5] Signs and symptoms classically include abdominal pain and vaginal bleeding, but fewer than 50 percent of affected women have both of these symptoms. [ 1] The pain may be described as sharp, dull, or crampy. [ 1]
A blighted ovum is a pregnancy in which the embryo never develops or develops and is reabsorbed. [ 1] In a normal pregnancy, an embryo would be visible on an ultrasound by six weeks after the woman's last menstrual period. [ 2] Anembryonic gestation is one of the causes of miscarriage of a pregnancy and accounts for roughly half of first ...
The gold standard for diagnosing a heterotopic pregnancy is the transvaginal ultrasound. However, the sensitivity of the transvaginal ultrasound for diagnosing a heterotopic pregnancy has been found to range from 26.3% to 92.4%. [5] Therefore, both clinical symptoms and ultrasound imaging are used to make the diagnosis.
Most people only need a couple of ultrasounds during pregnancy, but in certain situations, you may need more. Your preference, provider's standard protocol, ultrasound machine access, medical ...
Childbirth, also known as labour, parturition and delivery, is the completion of pregnancy where one or more babies exits the internal environment of the mother via vaginal delivery or caesarean section. [ 7] In 2019, there were about 140.11 million human births globally. [ 9] In the developed countries, most deliveries occur in hospitals, [ 10 ...
An abdominal pregnancy is a rare type of ectopic pregnancy where the embryo or fetus is growing and developing outside the uterus, in the abdomen, and not in a fallopian tube (usual location), an ovary, or the broad ligament. [ 1][ 2][ 3] Because tubal, ovarian and broad ligament pregnancies are as difficult to diagnose and treat as abdominal ...
A woman pregnant for the first time (nulliparous) typically feels fetal movements at about 21 weeks, whereas a woman who has given birth before will typically feel movements by 20 weeks. [13] By the end of the fifth month, the fetus is about 20 cm (8 in) long.