. Author manuscript; available in PMC: 2016 Aug 1.

Published in final edited form as: Am J Obstet Gynecol. 2015 May 13;213(2):191.e1–191.e7. doi: 10.1016/j.ajog.2015.05.012

TABLE 1.

Comparison of body weight measured as mean – standard error of the mean 3- and 6-month old V, MP, LP, 4 and 12 wks’ PP groups

Group	Weight, g	Comparison groups	P value^a
V 3-mo old	201.0 ± 3.7	V vs MP	.006
MP	221.5 ± 4.7	V vs LP	.0001
LP	274.7 ± 4.8	V vs 4 wks PP	.0001
PP 4 wks	236.3 ± 2.5	V vs 12 wks PP	.0001
PP 12 wks	254.9 ± 3.2	V vs V 6 mo	.0001
V 6-mo old	268.9 ± 4.5	V 6 mo vs 12 wks PP	.16

LP, late-pregnant; MP, mid-pregnant; PP, postpartum; V, virgin.

P values derived from one-way analysis of variance, followed by Tukey’s pairwise comparisons with significance level set to 5%.

Alperin. Pregnancy adaptations in rat pelvic muscles. Am J Obstet Gynecol 2015.