Jinan Kun as Mary Hospital expert describes: pregnant Hou more long time only can do b Super check this is each during pregnancy mother by concern of thing, but actually from b Super check of necessity and the economic angle for, necessary of normal pregnancy check does not over II times suitable, first times check in pregnancy 18-20 week, this when fetal baby has has prototype,. this check of focus is excluded real of fetal outside deformity, so is must to do of once check. Most of the doctor of obstetrics and Gynecology does not advocate within 18 weeks pregnant women doing b-, especially in less than 12 weeks of gestation.
partly because in the maternal fetal State is not very stable; the other basic development of the fetus has not yet been formed, ultrasound was not playing an effective role. However, if the pregnant woman has abnormal conditions (such as vaginal bleeding, history of habitual abortion, and so on), or previously had birth defects in pregnant women and children, or should be under ultrasound in early pregnancy to hospitals, which is good for pregnant women and infants.
however, if you suddenly in early pregnant women such as vaginal bleeding, abdominal pain, and so on, using b-mode ultrasound to determine whether the embryos survive, the continued pregnancy; there is no abnormal ectopic pregnancy or pregnancy as hydatidiform mole, is the most direct and reliable means, actively cooperate with the doctor checks a sensible approach. B-ultrasonography for pregnant women, and is very necessary.
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