| Maddady et al., 201835 |
Hot / warm shower |
50 |
49 |
Reduction |
Active stage: 221.2 |
Active stage: 312.6 |
Mean Difference -110.7; 95%CI: 169.5; -51.8 |
Low risk of bias12 |
| Immersion bath |
| Silva and Oliveira, 200620 |
Immersion bath for 40 to 60 minutes |
54 |
54 |
No effect |
6-10 cm dilation: 250.9 |
6-10 cm dilation: 260.4 |
p=0.89 |
Low risk of bias12 |
| Neiman et al., 202038 |
Immersion bath |
61 |
111 |
Nulliparous No effect Increase Multiparous No effect No effect |
Nulliparous Active stage: 764.7 Expulsion stage: 88.4 Multiparous Active stage: 469.3 Expulsion stage: 20.6 |
Nulliparous Active stage: 757.8 Expulsion stage: 79.7 Multiparous Active stage: 401.9 Expulsion stage: 16.8 |
Nulliparous p=0.13 p=0.03 Multiparous p=0.59 p=0.08 |
Good quality14 |
| Liu et al., 201427 |
Immersion bath in first stage of labor |
33 |
47 |
No effect No effect |
Active stage: 596.55 Expulsion stage: 58.79 |
Active stage: 552.30 Expulsion stage: 56.04 |
p=0.43 p=0.72 |
Some concerns13 |
| Eckert et al., 200117 |
Immersion bath in first stage of labor |
137 |
137 |
No effect No effect |
Active stage: 404.23 Expulsion stage: 64.94 |
Active stage: 407.21 Expulsion stage: 68.80 |
p=0.89 p=0.65 |
High risk of bias12 |
| Walking |
| Mamede et al., 200723 |
Walking |
75 |
- |
Reduction |
Active stage: 22; 10 and 6 minutes shorter for every 100 meters walked at 1st, 2nd or 3rd hour, respectively |
Linear regression |
Low risk of bias13 |
| Breathing techniques |
| Cicek and Basar, 201732 |
Lamaze breathing technique |
35 |
35 |
Reduction Reduction No effect No effect |
Latent stage: 403.71 Active stage: 174.00 Transition stage: 110.71 Expulsion stage: 19.11 |
Latent stage: 658.71 Active stage: 264.57 Transition stage: 101.42 Expulsion stage: 24.48 |
p<0.001 p=0.01 p=0.28 p=0.14 |
Some concerns12 |
| Ball exercises |
| Gau et al., 201124 |
Birth ball exercises |
48 |
39 |
Reduction No effect |
Active stage: 380 Expulsion stage: 38.48 |
Active stage: 485.4 Expulsion stage: 41.3 |
p=0.04 p=0.59 |
Some concerns12 |
| Massage |
| Gallo et al., 201326 |
30-min massage |
23 |
23 |
Increase |
Labor: 408 |
Labor: 342 |
Mean difference 1.1 hour; 95%CI: 0.2; 2.0 |
Low risk of bias12 |
| Positions adopted by mother |
| Desseauve et al., 201629 |
Dorsal decubitus during labor |
431 |
120 |
Reduction |
Labor classified as ≥120 or <120 minutes |
OR=2.2 95%CI: 1.2; 4.2 |
Good quality15 |
| Dorsal decubitus during expulsion |
303 |
144 |
Increase |
Labor classified as ≥120 or <120 minutes |
OR=0.1 95%CI: 0.0; 0.4 |
|
| Bomfim-Hyppólito,199816 |
Semi-sitting position (60º) in expulsion stage |
127 |
121 |
No effect |
Expulsion stage: 21.7 |
Expulsion stage: 25.1 |
p=0.06 |
High risk of bias12 |
| Maternal mobility |
| Desseauve et al., 201629 |
Switching position during labor |
411 |
140 |
Increase |
Labor classified as ≥120 or <120 minutes |
OR=0.2 95%CI: 0.1; 0.3 |
Good quality15 |
| Acupuncture/Acupressure/Auriculotherapy |
| Gaudernack et al., 200621 |
Acupuncture |
43 |
48 |
Reduction |
Active stage: 264 |
Active stage: 366 |
Mean Difference 1.7 hour; 95%CI: 0.2; 3.1 |
Low risk of bias12 |
| Mafetoni and Shimo, 201528 |
Acupressure at point BP6 |
38 |
30 |
Reduction |
628.10 |
913.10 |
p=0.004 |
Low risk of bias12 |
| Mafetoni et al., 201836 |
Auriculotherapy |
25 |
27 |
No effect |
607.8 |
694.7 |
p=0.08 |
Low risk of bias12 |
| Water birth |
| Schröcksnadel et al., 200318 |
Water birth in District Hospital |
47 |
265 |
Reduction |
Expulsion stage: 15 |
Expulsion stage: 20 |
p=0.02 |
Good quality14 |
| Water birth at University Hospital |
218 |
265 |
No effect |
Expulsion stage: 23 |
Expulsion stage: 20 |
Non-significant |
| Zanetti-Daellenbach et al., 200722 |
Water birth after immersion bath |
89 |
146 |
No effect Reduction |
Active stage: 330.5 Expulsion stage: 35.3 |
Active stage: 352.8 Expulsion stage: 49.1 |
Non-significant p<0.001 |
Good quality14 |
| Cortes et al., 201125 |
Water birth |
78 |
48 |
Reduction |
Expulsion stage: 43 |
Expulsion stage: 57 |
p=0.01 |
Good quality14 |
| Ulfsdottir et al., 201834 |
Water birth |
306 |
306 |
Reduction |
Expulsion stage: 21.6 |
Expulsion stage: 26.8 |
p=0.01 |
Good quality14 |
| Neiman et al., 202038 |
Water birth |
58 |
111 |
Nulliparous Reduction Multiparous No effect |
Nulliparous Expulsion stage: 23.2 Multiparous Expulsion stage: 9.5 |
Nulliparous Expulsion stage: 79.7 Multiparous Expulsion stage: 16.8 |
Nulliparous p=0.03 Multiparous p=0.08 |
Good quality14 |
| Pushing techniques in expulsion stage |
| Koyucu and Demirci, 201731 |
Spontaneous pushing |
40 |
40 |
Increase |
Expulsion stage: 63.2 |
Expulsion stage: 46.6 |
p<0.001 |
Low risk of bias12 |
| Vaziri et al., 201630 |
Spontaneous pushing in lateral position |
35 |
34 |
Increase |
Expulsion stage: 76.32 |
Expulsion stage: 64.56 |
p<0.001 |
Some concerns12 |
| Techniques used in association |
| Almeida et al., 200519 |
Breathing plus relaxation techniques |
19 |
17 |
Increase No effect No effect |
Latent stage: 145.26 Active stage: 173.68 Transition stage: 126.31 |
Latent stage: 84.70 Active stage: 151.76 Transition stage: 103.23 |
p=0.01 p=0.54 p=0.16 |
Some concerns12 |
| Cavalcanti et al., 201937 |
Hot / warm shower plus birth ball exercises |
39 |
44 |
No effect |
From combined intervention to birth: 216.85 |
Hot shower to birth: 255.05 |
p=0.10 |
Low risk of bias12 |
| 45 |
From birth ball exercises to birth: 288.41 |
p=0.10 |
| Gallo et al., 20188 |
Ball exercises, lumbosacral massage plus warm/hot shower |
40 |
40 |
No effect Reduction |
Active stage: 373 Expulsion stage: 19 |
Active stage: 445 Expulsion stage: 37 |
95%CI: 148; 5 95%CI: 30; -5 |
Low risk of bias12 |
| Makvandi et al., 201833 |
Immersion bath, birth ball exercise, aromatherapy with lavender and vertical positions during second stage of labor |
77 |
77 |
Reduction No effect |
Active stage: 210.02 Expulsion stage: 36.61 |
Active stage: 269.54 Expulsion stage: 43.08 |
p<0.001 p=0.08 |
Low risk of bias13 |
| Bio et al., 20067 |
Mobility and alternating vertical postures |
50 |
50 |
Reduction |
Active stage: 316 |
Active stage: 508 |
p<0.001 |
Some concerns12 |