So what does happen during a contraction? Contractions are triggered by the hormone oxytocin. You may feel cramping, abdominal tightening, and lower back pain. While the uterus contracts, the cervix things, softens, and dilates.
Contractions strengthen over time, helping the cervix to open and allowing the baby to descend into the birth canal. As contractions increase in frequency and length connect with your healthcare provider to know when to head to the hospital.
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