Additional file 6: of Adverse maternal and neonatal outcomes among singleton pregnancies in women of very advanced maternal age: a retrospective cohort study WuYuelin ChenYan ShenMinxue GuoYanfang WenShi LanesAndrea WhiteRuth AdanlawoAdewumi WalkerMark HuaXiaolin 2019 Table S4. Association of advanced and very advanced maternal age with adverse maternal and neonatal outcomes, stratified by the method of conception. (DOCX 21 kb)