To evaluate levator ani muscle morphology following normal vaginal delivery and cesarean section (elective and emergent), using three-dimensional (3D) transperineal ultrasound, and to study the effect of mode of delivery on female sexual function.

1. transperineal pelvic floor ultrasound applied for the submitted 120 women "primiparae" (40 women after normal vaginal delivery), (40 women after urgent cesarean section), (40 women after elective cesarean section), in early postpartum period (48 to 72) hours postpartum, to evaluate levator ani morphology.
2. answering of the validated female sexual function index (F.S.F.I) three months postpartum period for same cases submitted to ultrasound.

Inclusion Criteria:

• primiparae in early postpartum period (48 hours to72 hours). written consent was taken. easy communicable, reachable women for further requirements.

Exclusion Criteria:

1. Refused consent.
2. Previous vaginal or cesarean delivery.
3. Severe mental illness.
4. Severe physical handicap or difficulties in communication.
5. Women without postpartum active sexual life or separate from their spouse.
6. Past history of sexual dysfunction.

primiparae in early postpartum period (48 hours to72 hours). written consent was taken. easy communicable, reachable women for further requirements.