Early pregnancy loss -- The placenta and umbilical cord -- Assessment of amniotic fluid -- Fetal biometry -- Intrauterine growth restriction -- Examination of the fetal cranium -- Examination of the fetal heart -- Fetal spine -- Fetal abdomen -- Fetal kidneys -- Fetal limbs -- Multiple gestations -- Advanced maternal age -- Diabetes -- Preeclampsia -- Preterm labor -- Rh disease (erythroblastosis fetalis) -- 3D and 4D ultrasound -- The safety of ultrasound -- The biophysical profile (BPP) -- Ultrasound on the labor and delivery floor -- The Hobbins take on various hot topics.