妇产科（Obstetrics and Gynecology Department）.docVIP

妇产科（Obstetrics and Gynecology Department） 1.CS is the fetal sac. Menstrual rule of women, menopause 35 days, B ultrasound can be seen in the uterine cavity gestational sac. At 1.5 months of gestation, the gestational sac is about 2 cm in diameter and about 5 cm at 2.5 months. The gestational sac position in the uterine fundus, anterior, posterior, middle and upper belong to normal shape; round or oval, clear as normal; if the sac is irregular in shape, blur, and position in the lower part, while pregnant women with abdominal pain or vaginal bleeding, may be abortion. 2.CRL is the head pitch, indicating the longitudinal axis of the matrix parallel to measure the largest long axis, mainly used to determine the gestational age of 7~12 weeks. 3.BPD is the biparietal diameter of fetal head. 4.FL is the fetal femoral length. 5.GP is placental grading, general placenta divides 0, I, II, III class, sometimes still have III+ class. 6.AI to do B ultrasound, amniotic fluid index, pregnant women to the navel as the center, on the left, right, and 4 regions, adding depth of amniotic fluid in 4 areas, get the amniotic fluid index, trimester amniotic fluid index is the normal value of 8~18 cm. 7.S/D is the ratio of umbilical artery systolic blood pressure and diastolic blood pressure, and fetal blood, when placental dysfunction or abnormal umbilical cord when this ratio will be abnormal, in normal pregnancy, the fetus needs to increase the S decreased, D increased with the increase of gestational age, the ratio decreased in full-term pregnancy less than 3 S/D. 8.LOA, ROA, LOP, ROP; LSA, RSA, this is a group that the position English abbreviation. L Left, left, R, Right, right A Anterior, before P, Posterior O Occiput, occipital bone, S, Sacrum, sacrum SC Scapula shoulder Biparietal diameter and femur length and diameter of the normal value The biparietal diameter is often clinically used to determine pregnancy more than 13 weeks of gestational age, pregnancy according to the size