Expectant mothers understand that vaginal delivery is generally better for babies, but it depends on the mother's physical condition—not everyone can deliver vaginally. As the due date approaches in late pregnancy, mothers should prepare for vaginal delivery. But what exactly promotes a smooth vaginal birth?
What Promotes a Smooth Vaginal Birth?
Secret 1: Choose an Appropriate Age for Childbirth
Women over 35 giving birth for the first time are considered advanced maternal age primiparas.As age increases, the risks associated with pregnancy and childbirth rise.
First, advanced maternal age leads to stiffening of the birth canal, perineum, and pelvic joints, making dilation difficult. Uterine contractility and vaginal elasticity also decline, prolonging labor and increasing the likelihood of dystocia. Second, older mothers face higher risks of complications like hypertension, diabetes, and heart disease, making vaginal delivery less feasible and increasing the need for cesarean section intervention.
Most medical experts agree that the optimal childbearing age for women is around 25 to 29 years old, with women in this age group having a higher likelihood of vaginal delivery.
Secret 2: Proper Nutrition and Weight Management During Pregnancy
When a baby's weight exceeds 4000 grams (medically termed a macrosomic infant), the mother's risk of difficult labor increases significantly.If prenatal examinations indicate the fetus may exceed 4000 grams, doctors typically recommend cesarean delivery.
While a normal-sized fetus can pass through the pelvis smoothly, a macrosomic baby's larger head may become "stuck" at the pelvic inlet, making passage difficult and necessitating a cesarean section.If the macrosomic infant is also obese, it may barely pass through the pelvis, but the mother will exert tremendous effort during delivery. Forceps or vacuum extraction may ultimately be required to assist delivery. Shoulder dystocia may occur if the fetus has excessive shoulder fat, resulting in an unusually wide shoulder width.
Macrosomia is associated with excessive maternal nutrition, high fat intake, and insufficient physical activity. If the mother has diabetes, the fetus's blood sugar levels remain persistently elevated, stimulating the fetal pancreas to secrete excessive insulin. This inevitably leads to excessive accumulation of fat, protein, and glycogen in the fetus, resulting in large size and obesity.
To manage newborn weight, expectant mothers should engage in appropriate physical activity during pregnancy rather than remaining seated or lying down all day. Prioritize fresh vegetables and protein-rich foods while limiting high-carbohydrate and high-fat items such as desserts, fried foods, sugary beverages, and fruits.The ideal weight gain during pregnancy is approximately 2 kilograms in the first trimester (up to 3 months), 5 kilograms each in the second trimester (3-6 months) and third trimester (7-9 months), totaling around 12 kilograms. Gaining over 20 kilograms throughout pregnancy may result in an oversized baby.
Secret 3: Prenatal Exercise
Prenatal exercise not only aids in managing pregnancy weight but also facilitates smoother delivery. This is because:
1. Exercise enhances the tension and elasticity of abdominal, back, and pelvic floor muscles while relaxing joints and ligaments. This promotes muscle relaxation during labor, reduces resistance in the birth canal, and allows the baby to pass through more quickly.Research indicates that women who consistently perform prenatal exercises experience significantly higher rates of normal vaginal delivery and shorter labor compared to those who do not.
2. Prenatal exercises alleviate fatigue and stress for expectant mothers, boosting confidence in natural childbirth.
Of course, pregnancy is a unique physiological process. Expectant mothers should pay attention to exercise duration, intensity, and proper warm-ups to prevent overexertion and avoid uterine contractions.Additionally, prenatal exercises are not recommended for women with a history of habitual miscarriage, premature birth, placenta previa in the current pregnancy, or severe medical complications.The normal position is cephalic presentation, where the fetal head is flexed with the occipital bone facing forward. During delivery, the head enters the pelvis first—medically termed "head-first presentation"—which typically facilitates smoother labor. Any other positions, such as breech, transverse, or compound presentations, are considered malpresentations.
If an abnormal position is detected before the seventh month of pregnancy, close monitoring is usually sufficient. Before 30 weeks gestation, the fetus is relatively small compared to the uterus, and ample amniotic fluid allows room for movement, often enabling spontaneous correction. If the abnormal position persists between 30 and 34 weeks, intervention may be necessary.
Below are correction methods pregnant women can perform at home:
Knee-Chest Position Exercise
Empty your bladder and loosen your belt. Lie prone on a firm mattress with knees on the bed, hips elevated, thighs perpendicular to the bed, and chest as close to the mattress as possible.Perform this exercise once daily in the morning and evening for 15 minutes each session, continuing for one week. Then visit the hospital for a follow-up examination.
This position helps the fetal buttocks exit the pelvic cavity. By altering the fetus's center of gravity, the arc formed by the fetal head and back slides along the curvature of the uterine fundus, thereby correcting the fetal position.
Secret 5: Regular Prenatal Checkups
The schedule for regular prenatal checkups is designed based on fetal development and maternal physiological changes. Its purpose is to monitor fetal growth and maternal health, enabling early detection, correction, and treatment of issues. This ensures both mother and baby can safely navigate pregnancy and childbirth.
Typically, 9-13 prenatal visits are recommended throughout pregnancy.The initial checkup is usually scheduled at 4 months of pregnancy. From 4 to 7 months, checkups occur monthly. From 8 to 9 months, they are every two weeks. In the final month, weekly checkups are required. If abnormalities arise, follow-up appointments must be scheduled as directed by the physician.
Regular checkups allow continuous monitoring of fetal development and maternal changes throughout each stage. This includes assessing normal intrauterine growth, adequate maternal nutrition, and timely detection of common pregnancy complications such as gestational hypertension, diabetes, or anemia. Prompt treatment prevents these conditions from worsening and compromising vaginal delivery.
Fetal position may change during pregnancy. Early detection enables timely correction.If checkups are irregular or delayed, even if abnormalities are detected, correction may become difficult or impossible due to the delay. Therefore, regular prenatal checkups are essential for a smooth delivery.
Secret 6: Prepare for Delivery
One month before the due date, expectant mothers should learn about childbirth through doctors or books to prepare mentally.Two weeks before the due date, expectant mothers may experience several irregular uterine contractions daily. These contractions typically subside quickly with bed rest.
During this period, maintain normal daily routines and sleep patterns. Consume nutrient-rich, easily digestible foods like milk and eggs to build sufficient strength for labor.Before labor begins, maintain emotional stability. Once contractions start, stay confident that you can deliver safely and smoothly with the support of your doctor and midwife. Secret 7: Doula-Assisted Birth A doula is a professional who accompanies the mother throughout the entire birthing process, guiding her toward a smooth, natural delivery.If you engage a doula, she will remain by your side throughout labor, providing guidance, observation, and one-on-one care. Typically, the doula begins continuous support when cervical dilation reaches two centimeters. Throughout labor, she guides you through each stage, explains the causes of contractions, encourages you, and offers psychological support to help overcome fear.
Research indicates that with doula support throughout labor, mothers experience reduced psychological stress and increased confidence. This leads to a significant rise in natural birth rates at hospitals, alongside notable decreases in postpartum hemorrhage and cardiac hypoxia rates.This stretches the thigh and pelvic muscles, improves birthing position, maintains pelvic flexibility, and enhances lower-body blood circulation.
If this pose is challenging, lean against a wall for back support or place a cushion under your thighs—but always keep your back straight.