Voice, Speech, and Clinical Aspects During Pregnancy: A Longitudinal Study.

Background: Pregnancy involves anatomical, physiological, and metabolic changes in a woman's body. However, the effects of these changes on the voice remains unclear, particularly regarding the clinical characteristics.

Objectives: We aimed to evaluate changes in vocal and speech acoustic measures and the relationship between them and clinical aspects in women during pregnancy.

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.

Impact of call center work in subjective voice symptoms and complaints--an analytic study.

Purpose: To estimate the prevalence of vocal symptoms, occupational risk factors, associated symptoms and their impact on the professional activity of the telemarketers.

Methods: Cross-section analytical study with 124 telemarketers and 109 administrative workers (control group) selected from a random sample stratified by gender. The subjects answered an anonymous self-administered questionnaire involving issues related to the presence of vocal symptoms, potential risk factors for dysphonia, and vocal impact of symptoms in professional activity.