Table 1 Demographic data of the included women regarding (maternal age, gestational age, gravidity, and parity)
From: Values and validity of fetal parameters by ultrasound and Doppler as markers of fetal lung maturity
Range | Mean ± SD | |
|---|---|---|
Maternal age | 20–37 | 27.98 ± 4.37 |
Gestational age | 30–37 | 35.45 ± 1.72 |
Gravidity | 1–6 | 2.17 ± 1.06 |
Parity | N | % |
Nullipara | 31 | 25.8 |
1 | 42 | 35 |
2 | 27 | 22.5 |
3 | 11 | 9.2 |
≥ 4 | 9 | 7.5 |
History of previous abortion | 23 | 19.2 |