1. Fetal macrosomia;ACOG (American College of Obstetricians and Gynecologists),2000
2. Shoulder dystocia;ACOG (American College of Obstetricians and Gynecologists),2002
3. Ultrasonography in pregnancy;ACOG (American College of Obstetricians and Gynecologists),2009
4. Gestational diabetes;ACOG (American College of Obstetricians and Gynecologists),2013
5. Antepartum fetal surveillance;ACOG (American College of Obstetricians and Gynecologists),2014