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妊娠早期出血性疾病包括宫内妊娠流产、异位妊娠破裂或流产及葡萄胎等。超声检查在诊断与治疗上起很重要的辅助作用,现分述如下.1 宫内妊娠流产1.1 先兆流产子宫增大符合孕龄,宫腔内有球形胚囊,内有胚胎强回声光点.在妊娠6周时,胚胎呈棒状,在7～8周时可见胚胎的心管跳动,妊娠10周以上应100%看到胎心搏动,妊娠10～12周时可区分胎头与躯干,胎头呈圆形,双顶径在妊娠12周时约为20mm,但因胎动频繁很难准确测量.在胚囊的外侧
Early pregnancy bleeding disorders include intrauterine pregnancy miscarriage, ectopic pregnancy rupture or abortion and hydatidiform mole and so on. Ultrasound in the diagnosis and treatment plays an important auxiliary role, are as follows.1 Intrauterine pregnancy abortion 1.1 Uterus increased threatened abortion consistent with gestational age, intrauterine spherical embryo sac, there are embryonic hyperechoic light spots At 6 weeks of gestation, the embryo was in the form of a stick, and the beating of the embryo was observed at 7 to 8 weeks. The fetal heart beat should be 100% seen at 10 weeks of gestation, and the fetal head and trunk should be distinguished at 10 to 12 weeks of gestation. Fetal head was round, biparietal diameter at 12 weeks of pregnancy is about 20mm, but difficult to accurately measure because of frequent fetal movement in the outer side of the embryo sac