16 First-trimester Differential diagnosis Myomas:very firm and irregular Ovarian tumor Ectopic pregnancy Abortion
16 Differential diagnosis Myomas：very firm and irregular Ovarian tumor Ectopic pregnancy Abortion First-trimester
17 Second and third-trimester hnpcom a uterine enlargement fetal movement fetal heart sound fetal body
17 Second and third-trimester Symptoms and signs • uterine enlargement • fetal movement • fetal heart sound • fetal body
Second and third-trimester 12:above symphysis 16:between symphysis and umbilicus , 36周末 20:1 trans-finger below 32,40周末 umbilicus 头g 28周末 24:1 trans-finger above 24周末 20周末 umbilicus 16周末 28:3 trans-finger above 12周末 umbilicus 32 40 between umbilicus and xiphisternum 36:2 trans-finger below 妊娠周数与宫底高度 xiphisternum
18 Second and third-trimester 12:above symphysis 16:between symphysis and umbilicus 20:1 trans-finger below umbilicus 24:1 trans-finger above umbilicus 28:3 trans-finger above umbilicus 32＆40 :between umbilicus and xiphisternum 36:2 trans-finger below xiphisternum
Second and third-trimester fetal movement First appreciated at the 17th week An absolute sign,can be felt,can be seen Normal frequency:>30/12h
19 fetal movement First appreciated at the 17th week An absolute sign, can be felt, can be seen Normal frequency:≥30/12h Second and third-trimester
Second and third-trimester fetal heart sound Doppler ultrasound usually detects it as early as 10 weeks Normal 120-160bpm per minute
20 fetal heart sound Doppler ultrasound usually detects it as early as 10 weeks Normal :120-160bpm per minute Second and third-trimester