J Clin Gynecol Obstet

Journal of Clinical Gynecology and Obstetrics, ISSN 1927-1271 print, 1927-128X online, Open Access

Article copyright, the authors; Journal compilation copyright, J Clin Gynecol Obstet and Elmer Press Inc

Journal website http://www.jcgo.org

Original Article

Volume 4, Number 4, December 2015, pages 297-301

Comparison of Electromyographic Evaluation of Pelvic Floor Muscles in Third Trimester Between Pregnant Women With and Without Urinary Incontinence

Tables

**Table 1.** Anthropometric Characteristics of Pregnant Women With and Without Urinary Incontinence
Characteristics	With urinary incontinence	Without urinary incontinence	P value
BMI: body mass index.
Age (years)	27.47 ± 4.93	23.68 ± 4.65	0.028
Gestational age (weeks)
Evaluation 1	25.87 ± 1.41	25.32 ± 1.25	-
Evaluation 2	34.93 ± 0.88	34.96 ± 0.79	-
BMI (kg/m²)
Pre-pregnancy	24.67 ± 4.57	24.66 ± 4.77	0.097
Evaluation 1	26.83 ± 4.03	27.10 ± 4.84	0.307
Evaluation 2	28.29 ± 4.32	28.53 ± 4.34	0.740

**Table 2.** Distribution of Parity Characteristics of Pregnant Women With and Without Urinary Incontinence
Characteristics	With urinary incontinence		Without urinary incontinence		P value
Characteristics	n	%	n	%	P value
Parity
Primigravidae	4	26.7	15	60.0	0.04
Secundigravidae with previous vaginal delivery	11	73.3	10	40.0

**Table 3.** Functional Evaluation of PFM at Rest and During Contractions in Pregnant Women With and Without Urinary Symptoms in the Periods Between 24th and 28th (Evaluation 1) and 34th and 36th (Evaluation 2) Gestational Weeks
Variables (µV)	Evaluation 1			Evaluation 2
Variables (µV)	With urinary incontinence	Without urinary incontinence	P value	With urinary incontinence	Without urinary incontinence	P value
MVC: maximal voluntary contraction. ^aSignificant when compared to the same group at the first evaluation.
At rest
Mean	6.48 ± 3.12	7.16 ± 3.04	0.520	6.07 ± 2.47	6.32 ± 2.38^a	0.585
MCV
Mean	48.03 ± 6.90	52.82 ± 8.45	0.061	53.15 ± 7.37^a	53.66 ± 9.67	0.726
Maximum	86.18 ± 10.39	89.55 ± 5.61	0.576	91.87 ± 5.20^a	91.07 ± 5.57	0.605
Sustained contraction
Mean	46.45 ± 11.28	57.68 ± 13.25	0.027*	53.13 ± 13.46^a	56.52 ± 13.94	0.566
Maximum	84.64 ± 20.15	103.36 ± 17.74	0.011*	89.84 ± 17.83	100.09 ± 19.65	0.135