1. Human Reproduction Division, Department of Obstetrics and Gynecology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
2. National Institute of Hormones and Woman’s Health, CNPq, Porto Alegre, Rio Grande do Sul, Brazil
3. Department of Social Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil