Coccyx Pain During Pregnancy: Complete Guide for Expectant Mothers
Medically Reviewed by: Dr. Jennifer Adams, MD, OB-GYN | Updated: March 2026
Coccyx pain affects up to 30% of pregnant women, making simple activities like sitting, sleeping, and walking uncomfortable. This guide covers safe, effective relief methods specifically for pregnancy.
Why Pregnancy Causes Tailbone Pain
Hormonal Changes
During pregnancy, your body releases relaxin and progesterone—hormones that loosen ligaments throughout your pelvis. While necessary for childbirth, this increased mobility can cause:
- Coccyx instability
- Pelvic girdle pain
- Postural changes
- Increased pressure on tailbone
Postural Shifts
As your baby grows, your center of gravity shifts forward. This typically causes:
- Increased lower back curve (lordosis)
- Forward pelvic tilt
- More pressure on coccyx when sitting
When Coccyx Pain Typically Occurs
First Trimester: Rare, usually due to hormonal changes
Second Trimester: Begins as baby grows and posture shifts
Third Trimester: Most common and severe due to maximum weight/pressure
Postpartum: May continue 3-6 months after delivery
Safe Relief Methods During Pregnancy
✓ Safe for Pregnancy:
- Pregnancy-specific coccyx cushions
- Gentle pelvic tilts
- Prenatal yoga (approved poses)
- Warm (not hot) baths
- Prenatal massage from certified therapist
- Side-lying sleeping position
- Acupuncture (from certified practitioner)
⚠️ Avoid During Pregnancy:
- NSAIDs (ibuprofen, naproxen) - especially in 3rd trimester
- Heat packs directly on abdomen
- Deep tissue massage of sacrum
- Intense stretching or exercise
- Lying flat on back after 20 weeks
Best Sleeping Positions
Sleep becomes challenging with coccyx pain. Try these positions:
Side-Lying (Recommended)
- Lie on left side (improves circulation)
- Place pillow between knees
- Support belly with small pillow
- Keep hips stacked to reduce twisting
Preparing for Delivery
If you have coccyx pain during pregnancy, discuss with your provider:
- Birth positions that minimize tailbone pressure
- Use of birth stool or squatting bar
- Side-lying delivery position
- Avoiding lithotomy position (on back with legs up)
Postpartum Recovery
Most pregnancy-related coccyx pain resolves within 3-6 months after delivery. Speed recovery with:
- Early pelvic floor physical therapy
- Gradual return to exercise
- Continued use of coccyx cushion
- Proper lifting technique for baby
When to Call Your Doctor: If pain is severe, accompanied by fever, or doesn't improve 6 months postpartum.