Physiological Uterine Involution in Primiparous and Multiparous Women: Ultrasound Study

Table 1

Women’s characteristics (mean values ± standard deviation).

	Group I (primiparous)	Group II (multiparous)
Mean age (year)	28.46 ± 2.87	32.36 ± 3.72
Mean body mass index (BMI)	21.04 ± 2.26	22.45 ± 3.66
Mean duration of labour (hours)	8.35 ± 2.88	6.68 ± 2.77
Mean time of the anhydrous period (hours)	6.46 ± 3.91	4.14 ± 2.04
Mean infant birth weight (grams)	3573.96 ± 398.07	3703.64 ± 420.97