Pregnancy is often described as a time of transformation — physically, emotionally, and mentally. “Pregnancy is a unique stage of women’s life often marking profound physical, emotional, and life changes” (Luczak et al.) and a moment when many expectant mothers feel motivated to improve their health.
One of the most powerful tools available during this time is physical activity. Research from 2015–2024 shows that staying active during pregnancy can positively influence several aspects of labor and delivery. As a pelvic physical therapy clinic, we want to break down what the science actually says — and how movement can support a smoother vaginal birth.
⭐ Why Prenatal Exercise Matters
Organizations like the World Health Organization and American College of Obstetricians and Gynecologists (ACOG) recommend at least 150 minutes of moderate exercise per week for pregnant individuals. These guidelines are grounded in strong evidence showing benefits such as reduced risk of gestational diabetes, hypertension, excessive weight gain, and postpartum depression.
But what about labor itself?
Let’s look at what the research reveals. A study from 2025 by Luczak et al, reviewed the current research on the benefits of prenatal exercise on maternal health and delivery.
1. Prenatal Exercise May Reduce the Need for Labor Induction
Induction is common, but it carries risks such as increased cesarean rates, anesthesia use, and NICU admissions.
The research showed that:
- A structured exercise program lowered induction rates from 34% to 20.2%.
- Yoga and Pilates programs showed reduced need for oxytocin augmentation.
- Walking at term (30 minutes, 3×/week) increased spontaneous labor onset.
- Exercise Does Not Shorten Labor — Except Yoga
Most meta‑analyses found no significant change in the length of the first or second stage of labor. However, yoga stands out:
- A meta‑analysis showed yoga reduced labor duration by almost two hours.
This suggests yoga may uniquely support:
- Pelvic mobility
- Breathing efficiency
- Stress reduction
- Pelvic floor relaxation
3. Exercise Improves Pain Tolerance During Labor
Labor pain is intense, and while epidurals are effective, they come with side effects such as hypotension and longer labor. Prenatal exercise — especially yoga and Pilates — improves pain tolerance.
Examples include:
- Yoga significantly reduced pain scores on multiple pain scales.
- Pilates reduced pain intensity during active labor.
- A mixed‑exercise program resulted in lower VAS pain scores (7.5 vs. 9).
4. Exercise Lowers the Risk of Instrumental Delivery
Instrumental deliveries (forceps or vacuum) can increase the risk of pelvic floor trauma, tearing, and postpartum dysfunction. The research shows:
- Exercise‑only interventions significantly reduced instrumental delivery rates.
- Even starting walking at 38 weeks lowered operative vaginal delivery rates.
This is a major benefit for pelvic floor health.
🌟 What This Means for Expectant Parents
Staying active during pregnancy can:
- Support spontaneous labor
- Reduce the need for induction
- Improve pain tolerance
- Lower the risk of instrumental delivery
- Enhance overall physical and emotional well‑being
While exercise won’t guarantee a shorter labor, it plays a powerful role in preparing the body for childbirth.
How Pelvic PT can help is work one on one with the patient to build a prenatal exercise program that is right for each individual. Pelvic PT can help with birth prep including: pelvic floor relaxation techniques, perineal mobility, pushing strategies and tissue preparation for vaginal birth.
Contact our office today and discuss your needs with one of our specialized pelvic health providers.