Purpose of dating scan pushline dating
An ultrasound is one of the most exciting things for parents-to-be to experience.Using sound waves, the ultrasound takes a picture of your baby in the womb.During your appointment, an ultrasound tech uses a special gel that helps transmit the sound waves through the uterus as he or she rubs a scanner over the gel. There is no pain associated with an ultrasound for mom or baby, at eight-weeks or otherwise.If your eight-week ultrasound is on the horizon you may be wondering what’s in store.Women with little paid maternity leave may want to work until the last possible moment they can.Those whose due date has come and gone may wonder whether they should have labor induced with drugs.And pregnant women who already have other children often scramble to find child care during labor.
In late pregnancy, as the body prepares for labor, the cervix — a cone-shaped organ that sits between the uterus and the vagina — begins to flatten out.Guessing game, waiting game Though most women are given an official due date, it is often just a rough estimate.Only 5 percent of women deliver on their due date, according to American Academy of Pediatrics.Eight weeks into a pregnancy is the most common time to have a first ultrasound, also called the “dating” scan, as one of the main purposes is to determine gestational age.Gestational age is determined using the baby’s size and offer an accurate estimation of when the baby was conceived.
That's why manual exams don't predict labor very well: Because the changes are happening internally, doctors can't feel them from the outside.