Gynaecology & Obstetrics Regarding urogenital diaphragm all are true except A Is also called triangular ligament B Is not so well developed in female as in male C Consists of two layers of fascia through which pass the vagina and urethra D Deep transverse perineal muscle lies external to fascia 💡 Explanation Regarding urogenital diaphragm all are true except ✓ Correct Answer: D. Deep transverse perineal muscle lies external to fascia