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Table 2 Maternal Blood Phe, Age, Negative Events, Delivery, Weight Gain, and Origin

From: The first study of successful pregnancies in Chinese patients with Phenylketonuria

Patient No.

Initial Phe

Conc.

Age at pregnancy (Yrs)

Treatment a Prior to pregnancy (months)

Proportion of Blood Phe within Range b(%)

Previous Negative events

Mode of delivery

Weight gain

During pregnancy (kg)

China Municipality or Province

1

1089.7

28.3

3.1

75.0

1

vaginal delivery

12.0

Tianjin

2

1210.8

21.1

5.0

66.7

0

vaginal delivery

9.2

Shanxi

3

1278.0

32.5

6.0

35.1

2 negative eventsc

vaginal delivery

9.5

Hebei

4

1755.7

30.2

6.3

87.5

0

Cesarean section

9.3

Beijing

5

1937.3

21.6

5.9

80.2

1

vaginal delivery

15.0

Shandong

6

1574.0

23.9

6.5

78.7

0

vaginal delivery

14.2

Shandong

  1. a: (by telephone or we-chat)
  2. b: Blood Phe clinically-recommended target range (120–360 μmol/L)
  3. c: For Patient No. 3, the first pregnancy terminated by spontaneous abortion; the second pregnancy was voluntarily aborted due to hyperphenylalaninemia