Vocal Range in the Speech of Users of Low-Dose Oral Contraceptives.

Objective: The study aimed to investigate the vocal range of oral contraceptive (OC) users aged between 20 and 30 years.

Study Design: This is a cross-sectional study.

Methods: Forty-eight women aged 20-30 years who used low-dose OCs and 24 age-matched women who did not use oral monophasic contraceptives (w/oOC) were enrolled.