Pregnancy and Lactation Physiology · Physiology

Relaxin during pregnancy primarily causes:

  1. Stronger and more frequent uterine contractions
  2. Cervical softening and pelvic ligament relaxation
  3. Milk secretion
  4. Complete suppression of ovarian estrogen synthesis
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Correct answer: Cervical softening and pelvic ligament relaxation

Relaxin softens the cervix and relaxes pelvic ligaments. This facilitates parturition.

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