Labor S, Maguire S. The Pain of Labour. Rev Pain. 2008;2:15–9. https://doi.org/10.1177/204946370800200205.

Article  PubMed  PubMed Central  Google Scholar 

Grenvik JM, Rosenthal E, Wey S, et al. Birthing ball for reducing labor pain: a systematic review and meta-analysis of randomized controlled trials. J Matern Fetal Neonatal Med. 2022;35(25):5184–93. https://doi.org/10.1080/14767058.2021.1875439.

Article  PubMed  Google Scholar 

Ahmadpour P, Mohammad-Alizadeh‐Charandabi S, Doosti R, Mirghafourvand M. Use of the peanut ball during labour: A systematic review and meta‐analysis. Nurs Open. 2021;8:2345–53. https://doi.org/10.1002/nop2.844.

Article  PubMed  PubMed Central  Google Scholar 

Chaillet N, Belaid L, Crochetière C, Roy L, Gagné G, Moutquin JM, et al. Nonpharmacologic Approaches for Pain Management During Labor Compared with Usual Care: A Meta-Analysis. Birth. 2014;41:122–37. https://doi.org/10.1111/birt.12103.

Article  PubMed  Google Scholar 

Jones L, Othman M, Dowswell T, Alfirevic Z, Gates S, Newburn M, et al. Pain management for women in labour: an overview of systematic reviews. Cochrane Database Syst Reviews. 2012. https://doi.org/10.1002/14651858.CD009234.pub2.

Article  Google Scholar 

Delgado A, Maia T, Melo RS, Lemos A. Birth ball use for women in labor: A systematic review and meta-analysis. Complement Ther Clin Pract. 2019;35:92–101. https://doi.org/10.1016/j.ctcp.2019.01.015.

Article  PubMed  Google Scholar 

Grenvik JM, Coleman LA, Berghella V. Birthing balls to decrease labor pain and peanut balls to decrease length of labor: what is the evidence? Am J Obstet Gynecol. 2023;228:S1270–3. https://doi.org/10.1016/j.ajog.2023.02.014.

Article  PubMed  Google Scholar 

Silva LMe, de Oliveira SMJV, da Silva FMB, Alvarenga MB. Uso da bola suíça no trabalho de parto. Acta paul enferm. 2011;24(5):656–62. https://doi.org/10.1590/S0103-21002011000500010.

Article  Google Scholar 

Higgins JPT, Thomas J, Chandler J, Cumpston M, Li T, Page MJ, et al. Cochrane handbook for systematic reviews of interventions. Cochrane Handbook for Systematic Reviews of Interventions. Wiley; 2019. https://doi.org/10.1002/9781119536604.

Page MJ, McKenzie JE, Bossuyt PM, Boutron I, Hoffmann TC, Mulrow CD, et al. The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ. 2021. https://doi.org/10.1136/bmj.n71. n71.

Article  PubMed  PubMed Central  Google Scholar 

Bramer WM, Milic J, Mast F. Reviewing retrieved references for inclusion in systematic reviews using EndNote. J Med Libr Assoc. 2017;105:84–7. https://doi.org/10.5195/jmla.2017.111.

Article  PubMed  PubMed Central  Google Scholar 

Wan X, Wang W, Liu J, Tong T. Estimating the sample mean and standard deviation from the sample size, median, range and/or interquartile range. BMC Med Res Methodol. 2014;14:135. https://doi.org/10.1186/1471-2288-14-135.

Article  PubMed  PubMed Central  Google Scholar 

Hozo SP, Djulbegovic B, Hozo I. Estimating the mean and variance from the median, range, and the size of a sample. BMC Med Res Methodol. 2005;5:13. https://doi.org/10.1186/1471-2288-5-13.

Article  PubMed  PubMed Central  Google Scholar 

Sterne JAC, Savović J, Page MJ, Elbers RG, Blencowe NS, Boutron I, et al. RoB 2: a revised tool for assessing risk of bias in randomised trials. BMJ. 2019;l4898. https://doi.org/10.1136/bmj.l4898.

Guyatt GH, Oxman AD, Kunz R, Atkins D, Brozek J, Vist G, et al. GRADE guidelines: 2. Framing the question and deciding on important outcomes. J Clin Epidemiol. 2011;64:395–400. https://doi.org/10.1016/j.jclinepi.2010.09.012.

Article  PubMed  Google Scholar 

Balshem H, Helfand M, Schünemann HJ, Oxman AD, Kunz R, Brozek J, et al. GRADE guidelines: 3. Rating the quality of evidence. J Clin Epidemiol. 2011;64:401–6. https://doi.org/10.1016/j.jclinepi.2010.07.015.

Article  PubMed  Google Scholar 

Higgins JPT, Thompson SG, Deeks JJ, Altman DG. Measuring inconsistency in meta-analyses. BMJ. 2003;327:557–60. https://doi.org/10.1136/bmj.327.7414.557.

Article  PubMed  PubMed Central  Google Scholar 

Baker WL, White CM, Cappelleri JC, Kluger J, Coleman CI, Health Outcomes. Policy and E (HOPE) CG. Understanding heterogeneity in meta-analysis: the role of meta-regression. Int J Clin Pract. 2009;63:1426–34. https://doi.org/10.1111/j.1742-1241.2009.02168.x.

Article  CAS  PubMed  Google Scholar 

Egger M, Smith GD, Schneider M, Minder C. Bias in meta-analysis detected by a simple, graphical test. BMJ. 1997;315:629–34. https://doi.org/10.1136/bmj.315.7109.629.

Article  CAS  PubMed  PubMed Central  Google Scholar 

Tian S-H, Kao C-H, Lin K-C, Chang C-Y, Gau M-L. Effects of birth ball exercises on labor pain and childbirth satisfaction. J Nurs Healthc Res. 2013;9:13–22. https://doi.org/10.6225/JNHR.09.1.13.

Article  Google Scholar 

Wang J, et al. The effectiveness of delivery ball use versus conventional nursing care during delivery of primiparae. Pakistan J Med Sci vol. 2020;36(3):550–4. https://doi.org/10.12669/pjms.36.3.1440.

Article  Google Scholar 

Delgado García BE. Estudio experimental controlado y aleatorizado sobre la efectividad y seguridad del uso de la pelota de parto durante el trabajo de parto. Tesis doctoral. Universidad de Alicante; 2015. Accessed April 30, 2026. https://rua.ua.es/entities/publication/3e313f3b-8efd-4eb0-a8a1-07370c5c0e45

Coelho Lopes T, Maria Madeira L, Coelho S. O Uso Da Bola Do Nascimento Na Promoção Da Posição Vertical Em Primíparas Durante O Trabalho De Parto the Use of the Birth Ball in Promoting the Upright Position During Labor in First Deliveries a a. Rev Min Enf. 2003;7:134–43.

Google Scholar 

Taavoni S, Abdolahian S, Haghani H, Neysani L. Effect of birth ball usage on pain in the active phase of labor: a randomized controlled trial. J Midwifery Womens Health. 2011;56(2):137–40. https://doi.org/10.1111/j.1542-2011.2010.00013.x.

Article  PubMed  Google Scholar 

Gau ML, Chang CY, Tian SH, Lin KC. Effects of birth ball exercise on pain and self-efficacy during childbirth: a randomised controlled trial in Taiwan. Midwifery. 2011;27(6):e293–300. https://doi.org/10.1016/j.midw.2011.02.004.

Article  PubMed  Google Scholar 

Delgado-García BE, Orts-Cortés MI, Poveda-Bernabeu A, Caballero-Pérez P. Ensayo clínico controlado y aleatorizado para determinar los efectos del uso de pelotas de parto durante el trabajo de parto. Volume 22. Enferm Clin. Elsevier España, S.L.;; 2012. pp. 35–40. https://doi.org/10.1016/j.enfcli.2011.07.001.

Mathew A, Nayak S. a Comparative Study on Effect of Ambulation and Birthing Ball on Maternal and Newborn Outcome Among Primigravida Mothers in Selected Hospitals in Mangalore. J Health Allied Sci NU. 2012;02:02–5. https://doi.org/10.1055/s-0040-1703561.

Article  Google Scholar 

Gallo RBS, Santana LS, Marcolin AC, Quintana SM. Swiss ball to relieve pain of primiparous in active labor. Revista Dor. 2014;15:253–5. https://doi.org/10.5935/1806-0013.20140054.

Article  Google Scholar 

Tussey CM, et al. Reducing Length of Labor and Cesarean Surgery Rate Using a Peanut Ball for Women Laboring With an Epidural. J Perinat Educ vol. 2015;24(1):16–24. https://doi.org/10.1891/1058-1243.24.1.16.

Article  Google Scholar 

Taavoni S, Sheikhan F, Abdolahian S, Ghavi F. Birth ball or heat therapy? A randomized controlled trial to compare the effectiveness of birth ball usage with sacrum-perineal heat therapy in labor pain management. Complement Ther Clin Pract. 2016;24:99–102. https://doi.org/10.1016/j.ctcp.2016.04.001.

Article  PubMed  Google Scholar 

Mercier RJ, Kwan M. Impact of Peanut Ball Device on the Duration of Active Labor: A Randomized Control Trial. Am J Perinatol. 2018;35:1006–11. https://doi.org/10.1055/s-0038-1636531.

Article  PubMed  Google Scholar 

Shirazi MG, Kohan S, Firoozehchian F, Ebrahimi E. Experience of childbirth with birth ball: A randomized controlled trial. Int J Women’s Health Reprod Sci. 2019;7:301–5. https://doi.org/10.15296/ijwhr.2019.50.

Article  Google Scholar 

Shen HC, Wang H, Sun B, Jiang LZ, Meng Q. Birthing ball on promoting cervical ripening and its influence on the labor process and the neonatal blood gas index. World J Clin Cases. 2021;9:11330–7. https://doi.org/10.12998/wjcc.v9.i36.11330.

Article  PubMed  PubMed Central  Google Scholar 

AKTAŞ D, KOLSUZ S, ERTUĞRUL M, et al. Effect of Birth Ball Exercising for the Management of Childbirth Pain in Turkish Women. Bezmialem Sci. 2021;9(1):46–52. https://doi.org/10.14235/bas.galenos.2020.3898.

Article  Google Scholar 

Sharifipour P, Kheirkhah M, Rajati M, Haghani H. The effect of delivery ball and warm shower on the childbirth experience of nulliparous women: a randomized controlled clinical trial. Trials. 2022;23(1):391. Published 2022 May 12. https://doi.org/10.1186/s13063-022-06358-x

SÖNMEZ T, EJDER APAY S. Effect of Different Birth Balls Used at the First Stage of Labor on Birth Outcomes and Maternal Satisfaction: A Randomized Controlled Trial. Clin Experimental Health Sci. 2023;13:600–7. https://doi.org/10.33808/clinexphealthsci.1164952.