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Table 1 Demographics of control cases with placental abruption

From: Placental abruption possibly due to parvovirus B19 infection

Case No.

Age, y

Gravida, para

Complication(s)

Length of hospitalization for this pregnancy

Delivery

Infant characteristics and Page’s classification for placental abruption

2

33

3, 0

3 SA

Myoma after uterine septectomy

12–13 weeks, threatened abortion

After 26 weeks, premature delivery

30 weeks 4 days, CS

Birth weight 1546 g

Apgar score 6/7a

UApH level 7.336

Grade 1 placental abruption

3

34

1, 1

PROM at 25 weeks ⇒ neonatal death

Myoma

endometrial cyst after FET

10–13 weeks, subchorionic hematoma

16–20 weeks, threatened abortion

24 weeks 0 days, CS

Birth weight 526 g

Apgar score 3/8a

Grade 1 placental abruption

4

32

1, 1

PIH

–

38 weeks 1 day, CS

Birth weight 2642 g

Intrauterine fetal death

Grade 2–3 placental abruption

  1. CS cesarean section, FET frozen embryo transfer, PIH pregnancy-induced hypertension, UApH umbilical artery pH, PROM premature rupture of the membranes, SA spontaneous abortion
  2. aApgar scores at 1 and 5 min (1/5)