Because of constant errors for the estimating in the event the maternity started, physicians and you will midwives possibly to switch repayment dates that were calculated during the that way – for example, in accordance with the sized the child when you look at the an enthusiastic ultrasound examine through the very early maternity.

Ultrasound (also called ultrasonography) requires the use of voice waves you to definitely bounce off the baby’s looks and tend to be turned into an image. This makes it you are able to observe what’s going on for the womb (uterus), as well as how big the baby are. (más…)