When to assess residual anal sphincter defect after OASI by ultrasound.

Objectives: Obstetrical anal sphincter injuries (OASIS) are complications of vaginal delivery. Unrepaired anal sphincter after delivery increases the risk of anal incontinence. The aim of our study is to search for residual defect after OASI repair by 4D introital ultrasound (US).

Current possibilities in the prevention and therapy of ovarian hyperstimulation syndrome.

Objective: To present current possibilities of the prevention and therapy of ovarian hyperstimulation syndrome (OHSS).

Methods: Literature and guidelines were researched.

Results: From the view of safety and prevention of OHSS, antagonistic protocol is suitable.