Data that allows you to see the results of a transabdominal examination can be obtained later, at the onset of 5-6 weeks. In the coming period, it is already possible to recognize the baby's heartbeat. The sensor, lubricated with a special gel, is placed and moved along the surface of the abdomen. The monitor at this time shows the result of the state of the organs. The distance to the uterus is greater than with a transvaginal examination, so pregnancy can be recognized by terms with a difference of about 10-15 days.
In a woman who is overweight, it is more difficult to determine the cause of the delay, and at conception to set the exact date. The greater the layer of fiber and fat, the later an accurate diagnosis will be made. Conduct a study on the filled bladder. To do this, beforehand, not less than a couple of hours, you need to drink from one to two liters of non-carbonated water.