As the mother of two small children, I spend about 90% of my waking hours sitting on the floor or cleaning it. But now that I’m 34 weeks pregnant, getting back up to a standing position has become a particularly painful feat that involves wincing, whining, and an occasional shriek of pain.
The culprit? Pregnancy-induced sciatica.
Like a lot of women in their third trimester, I experience sharp pain that radiates throughout my rear end, lower back, and right thigh whenever I try to do anything exciting, like getting out of the car. It feels like the fetus is pressing directly against the nerve. Along with other third trimester symptoms, including overwhelming fatigue and charley horse leg cramps, sciatica can make for a miserable final stretch.
This week, as I lay floundering on the floor, I sought some answers, and relief, about lower back pain in pregnancy.
Is it really sciatica?
“Often back pain in pregnancy is due to loosening of the otherwise fixed joints in the pelvis—the symphysis pubis and sacroiliac joints,” says Charles Lockwood, MD, the Chief of Obstetrics and Gynecology at Yale-New Haven Hospital. And, bad news for active moms: Pain from this pelvic bone separation is aggravated by movement. It also tends to worsen with each baby and sometimes crutches are needed!
If that is the source of my pain, I wish I could send a memo to those separating pelvic joints: “Hey fellas! No need to loosen up down there, we’re having a C-section!”
However, my doctor believes we’re dealing with a sciatic issue. In which case, Dr. Lockwood tells me that there is a three-part cause: change in posture induced by pregnancy (lordosis) which stretches the nerve, increased pelvic pressure (from the fetal head, enlarging uterus, et cetera), and an actual change in the pelvic bone alignment.
Great! So how do I cure this pain so I can lift my children out of the bathtub without hollering in pain?
“Delivery is the best cure,” Lockwood says.
That is truly depressing, but I know he’s right. I experienced the same sciatic nerve symptoms with both of my prior term pregnancies, and the pain completely evaporated the minute the baby was born.
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