Experts note that water birth is well-established abroad, available to any woman capable of vaginal delivery—including cases of cephalic presentation, breech presentation, twins, and macrosomia. Currently in China, water birth is limited to cephalic presentations. Is water birth suitable for obese women? She recommends that women considering water birth ideally meet the following criteria:Full-term pregnancy, singleton cephalic presentation, no pelvic disproportion, normal fetal heart rate monitoring, estimated newborn birth weight between 3000g and 3500g, and no pregnancy-related complications or comorbidities.
Water birth should be approached with caution in the following situations: Potential for difficult labor, such as maternal obesity, estimated fetal weight ≥3500g, fetal abdominal circumference >5cm, or fetal umbilical cord entanglement around the neck two times or more.However, a single cord loop may still be managed with in-water detachment.
Water birth is absolutely contraindicated in the following situations: suspected fetal hypoxia in utero, infection during labor, or maternal infectious diseases such as hepatitis B, gonorrhea, or genital Chlamydia trachomatis infection.
Water birth offers five major advantages:
First, water birth facilitates relaxation. Warm water calms the mother physically and mentally, reducing secretion of stress hormones that elevate blood pressure and prolong labor. It relaxes muscles, conserves energy for uterine contractions, and eases pelvic floor and leg muscles—allowing the baby to pass through the birth canal more easily.
Second, water birth shortens labor duration
In water, relaxed muscles facilitate cervical dilation and accelerate labor progression. Studies show water birth significantly reduces the first stage of labor compared to bed delivery, saving an average of 85 minutes.
Third, water birth provides pain relief
Excessive tension and fear during labor intensify pain.During water birth, warm water stimulates the skin, sending signals through fast nerve fibers that can block or reduce pain signals transmitted to the brain, thereby decreasing the brain's perception of pain.
Fourth, water birth reduces birth canal tears
To prevent tearing of the perineum during delivery, women with a short perineal body often require an episiotomy. Mu Shixia notes that currently, 70% of first-time mothers undergo this procedure.Water birth enhances perineal elasticity and relaxation while reducing fetal pressure on the perineum, thereby lowering the risk of birth canal tears and eliminating the need for episiotomy. Fifth, it facilitates bonding with the baby. In traditional delivery, babies are immediately exposed to cold air and bright light upon birth—a sudden transition that often causes fear and distress.Having spent the first nine months developing in the amniotic fluid within the mother's womb, babies possess a natural affinity for water. Water birth provides them with a greater sense of security.
What to Consider for Water Birth
During water birth, the husband can be present, which effectively alleviates the mother's anxiety. Beyond the assistance and encouragement of medical staff, the mother also needs the companionship and comfort of loved ones during labor.Most mothers giving birth in water can have family members present throughout. Their emotional support plays a significant role in facilitating a smooth delivery. Meanwhile, the father-to-be can film the birth from beside the birthing tub, capturing the baby's arrival while providing comfort to the mother and helping her navigate the labor process. Another distinct advantage of water birth is that mothers can move freely in the water, improving their mental state and facilitating delivery.
Water birth can also effectively shorten labor duration, reduce pain, and protect the perineum. Immersion in water decreases secretion of renin, aldosterone, angiotensin, and vasopressin while increasing natriuretic hormone and dopamine. This leads to increased urine output and lowered blood pressure. Warm water dilates blood vessels, accelerates metabolism and blood circulation, and enhances muscle relaxation.
Buoyancy in water allows mothers to freely adopt comfortable positions, promoting muscle relaxation and reduced anxiety. This increases oxytocin secretion and strengthens uterine contractions, accelerating cervical dilation and shortening labor. The upright position commonly used during water birth protects the perineum by minimizing pressure differentials between the vaginal cavity and external environment, reducing the risk of perineal tears.Postpartum recovery is notably swift for water birth mothers, with some able to leave the hospital the day after delivery.
Childbirth is a profound life event for women, marking the true beginning of motherhood. However, improper management during labor can impact a mother's lifelong physical and mental health. Beyond traditional methods, expectant mothers with suitable conditions may consider water birth, as its benefits significantly outweigh those of conventional delivery.