This study was a retrospective and case-controlled study that included 12073 pregnant women over 35 years-of-age and gave birth in Hangzhou, China between 2018 and 2022. We investigated the perinatal
Data from Initial Screening [S01] form for eligibility which consisted of obtaining the woman's self-report on all eligibility (inclusion/exclusion) criteria other than those ascertained by ultrasound
Data from Pregnancy Experience Scale (PES) Visit 3 [V3J] form completed by participants during or after the third study visit, capturing measures of daily stressors women may experience during pregnan
Data from Medical Conditions and Medications [VXX] form completed for all participants at each study visit, capturing information about whether a participant ever had certain medical conditions or dia