[Retracted] Profound Effect of Pulmonary Surfactant on the Treatment of Preterm Infants with Respiratory Distress Syndrome

Table 4

Comparison of general conditions of mothers during pregnancy and prenatal period among the three groups.

Pregnancy and obstetric conditions	Control group	Early group	Late stage group
Gestational hypertension (number of cases)	3	3	3
Gestational diabetes mellitus (number of cases)	2	3	3
Chorioamnionitis (number of cases)	0	1	0
Antenatal infection (number of cases)	7	6	6
Intrauterine distress (number of cases)	2	2	1