Gynaecology & Obstetrics During childbih, which of the following muscles is most often injured by a tear of the perineum? A Coccygeus B Iliococcygeus C Pubococcygeus D Puborectalis 💡 Explanation During childbih, which of the following muscles is most often injured by a tear of the perineum? ✓ Correct Answer: C. Pubococcygeus