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Participants (<jats:italic>N<\/jats:italic>\u00a0=\u00a0108 American women, 88.89% White, 82.41% non\u2010Hispanic, aged 18\u201345, who gave birth to twins in the past 6\u201324\u00a0weeks) were recruited from postpartum support websites. Participants completed a Qualtrics survey assessing pregnancy\/birth history, symptoms of depression and anxiety, sleep, stress, romantic relationship satisfaction, and postpartum bonding. Twenty\u2010six participants (24.07%) reported a bonding discrepancy. These participants endorsed higher symptoms of depression and anxiety, lower relationship satisfaction, lower average postpartum bonding, higher general and parenting stress, and longer pregnancy (all <jats:italic>p<\/jats:italic>s\u00a0&gt;\u00a0.05). Greater <jats:italic>degree<\/jats:italic> of bonding discrepancy correlated with more depression, higher parenting stress, longer pregnancy, and lower relationship satisfaction (all <jats:italic>p<\/jats:italic>s\u00a0&gt;\u00a0.05). Mothers of twins may benefit from postpartum mental health support, stress management strategies, and interventions to improve bonding. Future work should assess the role of breastfeeding difficulties, delivery method, birth\u2010related trauma, infant regulatory capacity, and temperament. Longitudinal studies will help test cause and effect and potential long\u2010term repercussions of maternal\u2010infant bonding discrepancies.<\/jats:p>","DOI":"10.1002\/imhj.22108","type":"journal-article","created":{"date-parts":[[2024,2,26]],"date-time":"2024-02-26T05:48:50Z","timestamp":1708926530000},"page":"286-300","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Two babies, two bonds: Frequency and correlates of differential maternal\u2010infant bonding in mothers of twins"],"prefix":"10.1002","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4180-8642","authenticated-orcid":false,"given":"Susan J.","family":"Wenze","sequence":"first","affiliation":[{"name":"Department of Psychology Lafayette College  Easton Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cynthia M.","family":"Mikula","sequence":"additional","affiliation":[{"name":"Department of Psychology Lafayette College  Easton Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cynthia L.","family":"Battle","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Human Behavior Warren Alpert Medical School of Brown University  Providence Rhode Island USA"},{"name":"Butler Hospital  Providence Rhode Island USA"},{"name":"Women and Infants\u2019 Hospital of Rhode Island  Providence Rhode Island USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,2,25]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/00005721-199011000-00011"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.evolhumbehav.2008.01.002"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/00005721\u2010200207000\u201000004"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1177\/0265407595123009"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471\u20100528.2010.02660.x"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0191\u20108869(01)00150\u20107"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140\u20106736(03)15390\u20101"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1471\u20100528.2003.00014.x"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1177\/0956797620968532"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1093\/sleep\/33.6.781"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.3329\/jhpn.v31i4.20049"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.2307\/2136404"},{"key":"e_1_2_8_14_1","first-page":"1","article-title":"Impact of infant prematurity on family systems","volume":"8","author":"Corter C. 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