https://evidencebasedbirth.com/advanced-maternal-age/ https://evidencebasedbirth.com/advanced-maternal-age/ higher chances studies risk factor Evidence on: Advanced Maternal Age articolo stillbirth certain risks literature on advanced maternal age. woman of advanced maternal age (over 35 years) The evidence on advanced maternal age this article articolo 33 percent Evidencebasedbirth.com Advanced Maternal Age 38.5 and 57 percent