(A) Image showing placental calcification and lobulation (grade 3 placenta) in a case of 26-year-old primigravida at a gestational age of 33 weeks and 6 days. Red arrows show the placental calcification and blue arrows show lobulations. (B) Image showing grade 3 placental calcification in a 31-year-old primigravida at a gestational age of 35 weeks and 1 day. Red arrows show the placental calcification.