In plain words
Carpal tunnel syndrome is pressure on the median nerve where it passes through the wrist. It causes numbness, tingling, and sometimes pain in the thumb, index finger, and middle finger, and sometimes the ring finger. Symptoms are often worse at night, when the hand rests in a bent position. In pregnancy, fluid that builds up in the wrist can squeeze the nerve. Many people notice it in the later months, and some notice it in the weeks after birth. For many people the symptoms ease as the fluid goes down. Clinicians check by asking about symptoms and doing a few simple hand tests. Wrist splints are used in some cases. Ongoing weakness or wasting of the hand muscles is a reason to be seen.
The deeper version
Carpal tunnel syndrome (CTS) is a compressive mononeuropathy of the median nerve at the wrist. In pregnancy it is precipitated mainly by fluid accumulation within the carpal tunnel, and it is more common in later pregnancy and in people with obesity or a prior history of CTS. Symptoms are paresthesia and pain in the median nerve distribution, often worse at night. Diagnosis is clinical, supported by provocative tests such as Phalen and Tinel and by nerve conduction studies when needed (Jablecki and colleagues, Neurology, 2002). Most pregnancy-related CTS resolves postpartum, though some persists. Management options range from wrist to local , chosen by severity. Electrodiagnostic findings in pregnancy are often mild and do not always predict lasting symptoms.
Where it comes up
- Numb or tingling hands (carpal tunnel)Pregnancy: Your Body
- Wrist and thumb pain from holding the babyPostpartum: Your Body
- Swelling: feet, ankles, hands, facePregnancy: Your Body
- Swelling after birthPostpartum: Your Body
- Back, neck, and shoulder pain from feeding and carryingPostpartum: Your Body
What mothers here say about carpal tunnel syndrome
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Sources
- Jablecki CK and colleagues — Practice parameter: electrodiagnostic studies in carpal tunnel syndrome. Neurology, 2002
- American Academy of Orthopaedic Surgeons — Clinical practice guideline on carpal tunnel syndrome