Data for Manuscript: Maternal biological aging in mid to late pregnancy and across four years postpartum: Evidence for disrupted postpartum recovery by subsequent pregnancy

Participants (N = 130; aged 18 to 41 years; 23% non-Hispanic Black, 61% non-Hispanic White) were followed longitudinally across pregnancy and postpartum. Biological aging was assessed in saliva at up to three timepoints using four biomarkers: absolute telomere length (TL) via qPCR, epigenetic clocks (GrimAge2 and PhenoAge), and pace-of-aging (DunedinPACE).