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Online ISSN
1305-3124

Established
1993

Editors-in-Chief
​Cihat Şen, ​Nicola Volpe

Editors
Cecilia Villalain, Daniel Rolnik, M. Mar Gil

Managing Editors
Murat Yayla

Statistics Editor
Resul Arısoy

Article info

Immersion in water during labor and delivery. Perinatal Journal 2020;28(3):202-205 DOI: 10.2399/prn.20.0283012

Author(s) Information

Carlo De Angelis1,
Chiara De Angelis2,
Fabrizia Santangelo1,
Gabriele Saccone2,
Daniela Ioffredo2,
Jessica Anna Cinzia Paino2,
Attilio Di Spiezio Sardo3

  1. Department of Obstetrics and Gynecology, School of Medicine, University of Roma, Roma, Italy
  2. Department of Neuroscience, Reproductive Sciences and Dentistry, School of Medicine, University of Naples Federico II, Naples, Italy
  3. Department of Public Health, School of Medicine, University of Naples Federico II, Naples, Italy
Correspondence

Gabriele Saccone, Department of Neuroscience, Reproductive Sciences and Dentistry, School of Medicine, University of Naples Federico II, Naples, Italy, [email protected]

Publication History

Manuscript Received: August 21, 2020

Manuscript Accepted: October 09, 2020

Earlyview Date: October 09, 2020

Conflicts of Interest

Conflicts of Interest: No conflicts declared.

Objective
Immersion in water during labor and delivery has been studied as an alternative form of obstetric care. The aim of this study was to evaluate obstetrics and neonatal outcomes of women intending to use immersion in water for labor and delivery.
Methods
This was a retrospective observational study conducted at a single center in Italy from January 2004 to January 2016. The clinical records of pregnant women intending to use immersion in water for labor and delivery were collected in a dedicated database and included in the study. Only the women who underwent immersion in water starting from the first stage of labor were included in the study. Inclusion criteria were women with uncomplicated singleton gestations and cephalic presentation at or later than 37 weeks of gestation, and with spontaneous onset of labor. The primary outcome of the study was the percentage of women who had both labor and delivery in water.
Results
389 women met the inclusion criteria and were included in the study. 256 (66%) were nulliparous, and 133 (34%) were multiparous. Out of the 389 women intending to use immersion in water for labor and delivery, 278 (71.5%) had labor and delivery in the water, 31 (8.0%) labor in water and delivery on land, and 80 (20.5%) had the first stage of labor in water, and the second stage and delivery on land. The incidence of perineal lacerations was 61.4%.
Conclusion
The vast majority of the women who set out to labor and delivery in water achieve their aim.
Keywords

Cesarean delivery, operative delivery, dystocia, postpartum hemorrhage, NICU

Introduction
Immersion in water during labor and delivery has been studied as an alternative form of obstetric care.[1] At the end of 1960, Russian obstetricians Tjarkovsky and Leboyer, were the first to get the idea of having the newborn in a warm bath immediately after childbirth.[2,3] Cluett et al. in a recent Cochrane review, including 15 trials, concluded that in healthy women at low risk of complications, water immersion during the first stage of labor has beneficial effects on mode of birth and on perineal trauma and may reduce the use of regional analgesia.[1] The evidence during the second stage of labor is limited,[1] and still subject of debate.[4,5] Given this evidence, the American College of Obstetricians and Gynecologists (ACOG) recommends against the immersion in water during the second stage of labor and during the delivery.[4] The Royal College of Obstetricians and Gynaecologists (RCOG) considered immersion in water as an alternative for labor and delivery, but recommends for informing women that there is insufficient high-quality evidence to either support or discourage giving birth in water.[5]
The aim of this study was to evaluate obstetrics and neonatal outcomes of women intending to use immersion in water for labor and delivery.
Methods
This was a retrospective observational study conducted at a single center in Italy (Fabia Mater, Rome, Italy) from January 2004 to January 2016. The clinical records of pregnant women intending to use immersion in water for labor and delivery were collected in a dedicated database and included in the study. Only women who underwent immersion in water for labor and delivery starting from the first stage of labor were included in the study.
All variables reported were collected on all of the subjects included in this study. Inclusion criteria were women with uncomplicated singleton gestations and cephalic presentation at or later than 37 weeks of gestation, and with spontaneous onset of labor. Women with high-risk pregnancies, preterm delivery, and multiple gestations were excluded. Women with induced labor, women who received epidural analgesia, those with augmentation of labor, were also excluded.
For the purpose of this study we defined latent first stage of labor as a period of time when there are painful contractions and some cervical change, including cervical effacement and dilatation up to 4 cm, established first stage of labor as when there are regular painful contractions and there is progressive cervical dilation from 4 cm to 10 cm, and second stage of labor as the finding of full dilation of the cervix.
The bath pool was large enough to allow the women to have frequent position changes during labor. Water temperature was maintained at 37°C, and the mother was immersed up to chest level. The immersion in hot water causes a dilation of the blood vessels that could cause tachycardia and hypotension; this is why the women had to leave the tub every two hours for about thirty minutes. Maternal blood pressure, pulse rate and respiratory rate were checked every 30 minutes.
A cardiotocographic monitoring for 20 minutes to ensure wellbeing of the fetus was performed before the immersion in water. Then, the fetal heart rate was recorded once every 15 minutes, with a water proof probe. Women are encouraged to leave the bath to urinate regularly.
The primary outcome of the study was the percentage of women who had both labor and delivery in water. Secondary outcomes were maternal and neonatal outcomes.
Results
389 women met the inclusion criteria and were included in the study. 256 (66%) were nulliparous, and 133 (34%) were multiparous. The mean maternal age was 29 years. Mean gestational age was 39 weeks of gestations, ranging from 37 to 41 weeks. The mean of cervical dilation at the time of immersion in water was 5.8 cm, ranging from 3 to 10 (Table 1).
Out of the 389 women intending to use immersion in water for labor and delivery, 278 (71.5%) had labor and delivery in the water, 31 (8.0%) labor in water and delivery on land, and 80 (20.5%) had the first stage of labor in water, and the second stage and delivery on land (Table 2).
The incidence of perineal lacerations was 61.4%. There were 3 third-degree lacerations (0.8%). Episiotomy was performed in 40 cases (10.3%). 11 emergent cesarean delivery occurred: 1 for non-reassuring fetal heart rate, and 10 for prolonged second stage of labor. The mean birth weight was 3346 g, and 13 babies (3.3%) had birth weight >4000 g (Table 3). The incidence of postpartum hemorrhage was 11.6%.
Discussion
While there are enough randomized controlled trials assessing harms and benefits of water immersion during the first stage of labor, there are lack of second stage data.[4,6] Moreover, data regarding percentage of women who achieve the aim of laboring and delivery in water are also lacking.[4,7,8] In this retrospective study of 389 pregnant women, intending to give birth in water during labor and delivery, we found that a large percentage of this women achieved their aim. Only a small percentage of women had to leave the tub during the first or the second stage of labor to give land birth.
Most women who gave birth in water were at their first pregnancy, with an average age of 29 years. This data indicates that young women at their first birth experience are more likely to approach waterbirth to alleviate pain during labor, notoriously longer in nulliparous.[9]
Mean gestational age was 39 weeks of gestation, comparable between the women who achieved a water birth and that who left the tub before delivery.
The second main finding of our study was that waterbirth is not associated with significantly high rates of maternal and neonatal adverse outcomes. However, this study was not powered for such outcomes, and limited by the retrospective study design. The incidence of third-degree was low in the group of woman who gave birth water; they also had lower incidence of episiotomies compared with women who had a landbirth. A major limitation was that the study had no control group.
Our results concurred to data reported in a recent Cochrane review, that reported an increase in second degree tears with reduction in episiotomy in women who were in an upright position.[1,10,11] These maternal birth position was typically adopted by pool users and it would seem to influence perineal outcomes.[12]
Conclusion
In conclusion, our study showed that among women who intend to have birth water, the vast majority achieved their aim. Based on these findings, immersion in water may be offered as an alternative strategy for labor and delivery in low risk women with singleton gestations and cephalic presentation at term, who planned to give water birth, wishing to reduce pain and have a different experience during labor and delivery. Further studies, including high-quality and well-designed randomized controlled trials, are necessary.
References
  1. Cluett ER, Burns E, Cuthbert A. Immersion in water during labour and birth. Cochrane Database Syst Rev 2018;5(5):CD000111. [PubMed] [CrossRef

  2. Odent M. Birth under water. Lancet 1983; 2:1476–7. [PubMed] [CrossRef

  3. Lim KMX, Tong PSY, Chong YS. A comparative study between the pioneer cohort of waterbirths and conventional vaginal deliveries in an obstetrician-led unit in Singapore. Taiwan J Obstet Gynecol 2016;55:363–7. [PubMed] [CrossRef

  4. American College of Obstetricians and Gynecologists’ Committee on Obstetric Practice. Committee opinion no. 679: Immersion in water during labor and delivery. Obstet Gynecol 2016;128:e231–e236. [PubMed] [CrossRef

  5. National Collaborating Centre for Women's and Children’s Health. Intrapartum care: care of healthy women and their babies during childbirth. London: RCOG; 2007.

  6. Vanderlaan J, Hall PJ, Lewitt M. Neonatal outcomes with water birth: a systematic review and meta-analysis. Midwifery 2018;59:27–38. [PubMed] [CrossRef

  7. Taylor H, Kleine I, Bewley S, Loucaides E, Sutcliffe A. Neonatal outcomes of waterbirth: a systematic review and meta-analysis. Arch Dis Child Fetal Neonatal Ed 2016;101:F357–65. [PubMed] [CrossRef

  8. Nutter E, Meyer S, Shaw-Battista J, Marowitz A. Waterbirth: an integrative analysis of peer-reviewed literature. J Midwifery Womens Health 2014;59:286–319. [PubMed] [CrossRef

  9. Woodward J, Kelly SM. A pilot study for a randomised controlled trial of waterbirth versus land birth. BJOG 2004;111:537–45. [PubMed] [CrossRef

  10. Menakaya U, Albayati S, Vella E, Fenwick J, Angstetra D. A retrospective comparison of water birth and conventional vaginal birth among women deemed to be low risk in a secondary level hospital in Australia. Women Birth 2013;26:114–8. [PubMed] [CrossRef

  11. American Academy of Pediatrics Committee on Fetus and Newborn; American College of Obstetricians and Gynecologists Committee on Obstetric Practice. Immersion in water during labor and delivery. Pediatrics 2014;133:758–61. [PubMed] [CrossRef

  12. Henderson J, Burns EE, Regalia AL, Casarico G, Boulton MG, Smith LA. Labouring women who used a birthing pool in obstetric units in Italy: prospective observational study. BMC Pregnancy Childbirth 2014;14:17. [PubMed] [CrossRef
File/Dsecription
Table 1.
Characteristics of the included women.
Table 2.
Primary outcome.
Table 3.
Maternal and neonatal outcomes.