Pregnancy outcomes and disease phenotype of hypertensive disorders of pregnancy in singleton pregnancies after in vitro fertilization: a retrospective analysis of 1130 cases

Abstract Background Although in vitro fertilization (IVF) can increase the incidence of hypertensive disorders of pregnancy (HDP), the pregnancy outcomes and disease phenotype of HDP in singleton pregnancies conceived via IVF remain unclear. Methods This retrospective cohort study enrolled 1130 sing...

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Main Authors: Fen Dai, Yehui Lan, Shuangjia Pan, Yuhuan Wang, Ying Hua, Wenya Xiao
Format: Article
Language:English
Published: BMC 2023-07-01
Series:BMC Pregnancy and Childbirth
Subjects:
Online Access:https://doi.org/10.1186/s12884-023-05838-5
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author Fen Dai
Yehui Lan
Shuangjia Pan
Yuhuan Wang
Ying Hua
Wenya Xiao
author_facet Fen Dai
Yehui Lan
Shuangjia Pan
Yuhuan Wang
Ying Hua
Wenya Xiao
author_sort Fen Dai
collection DOAJ
description Abstract Background Although in vitro fertilization (IVF) can increase the incidence of hypertensive disorders of pregnancy (HDP), the pregnancy outcomes and disease phenotype of HDP in singleton pregnancies conceived via IVF remain unclear. Methods This retrospective cohort study enrolled 1130 singleton pregnancies with HDP from 2016 to 2020. According to the mode of conception, they were allocated into IVF (n = 102) and natural conception (NC) groups (n = 1028). All IVF pregnancies were subdivided into frozen embryo transfer (FET) group (n = 42) and fresh embryo transfer (ET) group (n = 60). Demographic data, pregnancy outcomes and disease phenotypes of HDP among the groups were compared. The risk factors for severe preeclampsia (PE) and early-onset PE were analyzed. Results The incidences of early-onset PE (P<0.001), severe PE (P = 0.016), cesarean section (P<0.001) and preterm births (P = 0.003) in the IVF-HDP group were significantly higher than those in the NC-HDP group, and gestational age at diagnosis of HDP (P = 0.027) and gestational age at delivery (P = 0.004) were earlier and birthweight of the neonates (P = 0.033) were lower in the IVF group. In singleton pregnancies with HDP, IVF was associated with increased risks for both severe PE and early-onset PE (aOR 1.945, 95% CI 1.256, 3.014; and aOR 2.373, 95% CI 1.537, 3.663, respectively), as well as FET, family history of preeclampsia, intrahepatic cholestasis of pregnancy, gestational hypothyroidism and multiparity were associated with increased risks of severe PE and early-onset PE. Conclusions In singleton pregnancies with HDP, IVF was associated with an increased incidence of the disease phenotype (severe or early-onset PE), as well as an increased incidence of pregnancy outcomes related to severe PE and early-onset PE.
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spelling doaj.art-3843c0ac7e544eb3913c3e3c8ea6c7932023-07-23T11:29:10ZengBMCBMC Pregnancy and Childbirth1471-23932023-07-012311910.1186/s12884-023-05838-5Pregnancy outcomes and disease phenotype of hypertensive disorders of pregnancy in singleton pregnancies after in vitro fertilization: a retrospective analysis of 1130 casesFen Dai0Yehui Lan1Shuangjia Pan2Yuhuan Wang3Ying Hua4Wenya Xiao5Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical UniversityDepartment of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical UniversityDepartment of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical UniversityDepartment of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical UniversityDepartment of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical UniversityDepartment of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical UniversityAbstract Background Although in vitro fertilization (IVF) can increase the incidence of hypertensive disorders of pregnancy (HDP), the pregnancy outcomes and disease phenotype of HDP in singleton pregnancies conceived via IVF remain unclear. Methods This retrospective cohort study enrolled 1130 singleton pregnancies with HDP from 2016 to 2020. According to the mode of conception, they were allocated into IVF (n = 102) and natural conception (NC) groups (n = 1028). All IVF pregnancies were subdivided into frozen embryo transfer (FET) group (n = 42) and fresh embryo transfer (ET) group (n = 60). Demographic data, pregnancy outcomes and disease phenotypes of HDP among the groups were compared. The risk factors for severe preeclampsia (PE) and early-onset PE were analyzed. Results The incidences of early-onset PE (P<0.001), severe PE (P = 0.016), cesarean section (P<0.001) and preterm births (P = 0.003) in the IVF-HDP group were significantly higher than those in the NC-HDP group, and gestational age at diagnosis of HDP (P = 0.027) and gestational age at delivery (P = 0.004) were earlier and birthweight of the neonates (P = 0.033) were lower in the IVF group. In singleton pregnancies with HDP, IVF was associated with increased risks for both severe PE and early-onset PE (aOR 1.945, 95% CI 1.256, 3.014; and aOR 2.373, 95% CI 1.537, 3.663, respectively), as well as FET, family history of preeclampsia, intrahepatic cholestasis of pregnancy, gestational hypothyroidism and multiparity were associated with increased risks of severe PE and early-onset PE. Conclusions In singleton pregnancies with HDP, IVF was associated with an increased incidence of the disease phenotype (severe or early-onset PE), as well as an increased incidence of pregnancy outcomes related to severe PE and early-onset PE.https://doi.org/10.1186/s12884-023-05838-5In vitro fertilizationHypertensive disorders of pregnancySevere preeclampsiaEarly-onset preeclampsia
spellingShingle Fen Dai
Yehui Lan
Shuangjia Pan
Yuhuan Wang
Ying Hua
Wenya Xiao
Pregnancy outcomes and disease phenotype of hypertensive disorders of pregnancy in singleton pregnancies after in vitro fertilization: a retrospective analysis of 1130 cases
BMC Pregnancy and Childbirth
In vitro fertilization
Hypertensive disorders of pregnancy
Severe preeclampsia
Early-onset preeclampsia
title Pregnancy outcomes and disease phenotype of hypertensive disorders of pregnancy in singleton pregnancies after in vitro fertilization: a retrospective analysis of 1130 cases
title_full Pregnancy outcomes and disease phenotype of hypertensive disorders of pregnancy in singleton pregnancies after in vitro fertilization: a retrospective analysis of 1130 cases
title_fullStr Pregnancy outcomes and disease phenotype of hypertensive disorders of pregnancy in singleton pregnancies after in vitro fertilization: a retrospective analysis of 1130 cases
title_full_unstemmed Pregnancy outcomes and disease phenotype of hypertensive disorders of pregnancy in singleton pregnancies after in vitro fertilization: a retrospective analysis of 1130 cases
title_short Pregnancy outcomes and disease phenotype of hypertensive disorders of pregnancy in singleton pregnancies after in vitro fertilization: a retrospective analysis of 1130 cases
title_sort pregnancy outcomes and disease phenotype of hypertensive disorders of pregnancy in singleton pregnancies after in vitro fertilization a retrospective analysis of 1130 cases
topic In vitro fertilization
Hypertensive disorders of pregnancy
Severe preeclampsia
Early-onset preeclampsia
url https://doi.org/10.1186/s12884-023-05838-5
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