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OBJECTIVE: To determine whether assisted reproductive technology (ART) treatment adds obstetric and neonatal risks over and above that of underlying infertility-related diagnoses. DESIGN: Retrospective study of linked ART, birth certificat…

ObjectiveTo investigate hospitalizations up to 8 years after live birth among women who used assisted reproductive technology (ART) or who were subfertile compared with women who conceived naturally.DesignRetrospective cohort.SettingDeliver…

STUDY QUESTION: Do women with polycystic ovary syndrome (PCOS) have a greater risk of adverse pregnancy complications (gestational diabetes, preeclampsia, cesarean section, placental abnormalities) and neonatal outcomes (preterm birth, smal…

ObjectiveTo determine the maternal demographic, health, and fertility variables underlying prematurity.DesignRetrospective: Society for Assisted Reproductive Technology Clinic Outcome Reporting System data linked to Massachusetts birth cert…

ObjectiveTo compare neonatal health outcomes after fresh versus frozen ET (FET).DesignRetrospective analysis of a population-based database of linked clinically assisted reproductive technology (ART) data with state vital records. Multivari…

PURPOSE: Pre-pregnancy and post-delivery hospitalizations were compared as markers for health among women who conceived using assisted reproductive technology (ART), non-ART medically assisted reproduction (MAR), no treatment (unassisted su…

ObjectivesTo assess the risk of adverse health outcomes for infants after assisted reproductive technology (ART)-treated and subfertile as compared with fertile deliveries.MethodsLive-born singleton infants ≥23 weeks' gestational age (GA) b…

BackgroundIt is unknown whether the risk of adverse outcomes in twin pregnancies among subfertile women, conceived with and without in vitro fertilization, differs from those conceived spontaneously.ObjectiveWe sought to evaluate the effect…

PurposeThe aim of this study is to evaluate frequency of hospitalization before, during, and after assisted reproductive technology (ART) treatment by cycle outcome.MethodsSix thousand and one hundred thirty women residing in Massachusetts …

BackgroundBirths to subfertile women, with and without infertility treatment, have been reported to have lower birthweights and shorter gestations, even when limited to singletons. It is unknown whether these decrements are due to parental …

ObjectiveTo evaluate pregnancy and birth outcomes by type of infertility treatment received.Study designAssisted reproductive technology (ART) data on women who were both treated and gave birth in Massachusetts were linked to vital records …

A persistent finding is that assisted reproductive technology (ART) is associated with compromised birth outcomes, including higher risks for prematurity, low birthweight, and congenital malformations, even among singletons. Over the past d…

PurposeThe objective of this study was to evaluate the effect of changing fertility status on perinatal outcomes of singleton siblings, conceived with and without assisted reproductive technology (ART).MethodA longitudinal cohort study of M…

ObjectiveTo assess whether risk of severe maternal morbidity at delivery differed for women who conceived using assisted reproductive technology (ART), those with indicators of subfertility but no ART ("subfertile"), and those who had neith…

OBJECTIVE: To compare the risks for adverse pregnancy and birth outcomes by diagnoses with and without assisted reproductive technology (ART) treatment to non-ART pregnancies in fertile women. DESIGN: Historical cohort of Massachusetts vit…

ObjectiveTo evaluate risks for adverse pregnancy outcomes by number of embryos transferred (ET) and fetal heartbeats (FHB) in assisted reproductive technology-conceived singleton live births.DesignLongitudinal cohort using cycles reported t…

OBJECTIVE: To evaluate assisted reproductive technology (ART) pregnancy outcomes by infertility diagnosis. STUDY DESIGN: ART data on women who were treated and gave birth in Massachusetts were linked to vital records and hospital utilizati…

ObjectiveTo compare on a population basis the birth outcomes of women treated with assisted reproductive technologies (ART), women with indicators of subfertility but without ART, and fertile women.DesignLongitudinal cohort study.SettingNot…

ObjectiveTo identify a group of deliveries to mothers with indicators of subfertility (SUBFERTILITY).DesignLongitudinal cohort study.SettingHospital.Patient(s)A total of 334,152 deliveries to Massachusetts mothers in a Massachusetts hospita…

PurposeTo compare ages of mothers and of fathers at delivery in couples who are fertile, subfertile, and subfertile treated with assisted reproductive technology (ART) and to characterize birth outcomes in the ART population according to pa…

Although Assisted Reproductive Technology (ART) births make up 1.6 % of births in the US, the impact of ART on subsequent infant and maternal health is not well understood. Clinical ART treatment records linked to population data would be a…