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Long-term Follow-up of Participants in the Collaborative Perinatal Project (REPRO)

Study dates: 1989-1992

Funding provided by NIMH (NO1-HD-2909)


    Brown University: L. Lipsitt, S. Zierler, S. Buka

    University of Pennsylvania: S. Katz, B. Zemel


Overall aims:  The primary purpose was to determine the intergenerational risk of delivering a preterm or small-for-gestational-age (SGA) infant among women who were themselves born preterm or SGA respectively.

Sample: 468 selected, 175 interviewed


Key Documentation

Repro Documentation Overview

Overview of Maternal/Infant Forms

Reproduction Study forms



Grandmother Contact Form

Maternal Eligibility Form

Interview Evaluation

Reproductive History Form

Singleton Live and Stillbirth Questionnaire

Miscarriage Questionnaire

Induced Abortion Questionnaire

Ectopic Pregnancy Questionnaire

Twins: Both Liveborn Questionnaire

Twins: Liveborn and Stillborn Questionnaire

Twins: Both Stillborn Questionnaire

Gynecological History Form

Pregnancy Medical Form

SES and Demographic Information

Family Medical History

Mother’s Birth Information

Maternal-Infant Medical Record Abstraction Form 

Past Medical History/Prepregnant Conditions

Prenatal Ultrasound Summary

Delivery Admission

Neonatal Record

Father’s record

Medical Release Form


Additional Documentation




 Klebanof MA, Zemel BS, Buka SL, Zierler S. Long-term follow-up of participants in the Collaborative Perinatal Project: tracking the next generation. Paediatric and Perinatal Epidemiology. 1998 Jul; 12(3): 334-346. PMID:9690267.

Buka SL, Goldstein JM, Seidman LJ, Tsuang MT. Maternal recall of pregnancy history: accuracy and bias in schizophrenia research. Schizophrenia Bulletin. 2000; 26(2): 335-350. PMID:10885635.

Buka SL, Goldstein JM, Spartos E, Tsuang MT. The retrospective measurement of prenatal and perinatal events: accuracy of maternal recall. Schizophrenia Research. 2004 Dec; 71(2-3): 417-426. doi:10.1016/j.schres.2004.04.004. PMID:15474913.