Objective: Frozen embryo transfer (FET) is associated with a higher risk of hypertensive disorders in pregnancy. The objective of the present study is to evaluate the effect of different protocols of endometrial preparation on the risk of these disorders. Methods: We conducted a retrospective cohort study on 594 singleton pregnancies achieved by embryo transfer of single frozen-thawed blastocysts. Women with preexisting risk factors for hypertensive disorders were excluded. Women were divided into two groups according to the endometrial preparation protocol: either natural cycle (n = 495) or programming cycle with hormonal replacement therapy (n = 97). The primary outcome was the frequency of hypertensive disorders in pregnancy: specifically, gestational hypertension and preeclampsia. Results: No differences emerged between women following the natural cycle and those following the programming cycle in the frequency of gestational hypertension (5 vs. 4%) and preeclampsia (1.1 vs. 1.2%). No impact emerged also after multivariate analyses. Conclusions: Women receiving hormonal replacement therapy have the same risk of gestational hypertension and preeclampsia as women following natural cycles when considering low-risk singleton pregnancies.

Endometrial preparation does not affect the risk of hypertensive disorders of pregnancy in low-risk women undergoing frozen embryo transfer / C. Dallagiovanna, M. Cappellari, F. D'Ambrosi, M. Reschini, K. Kordas, L. Li Piani, F. Filippi, E. Somigliana. - In: GYNECOLOGICAL ENDOCRINOLOGY. - ISSN 0951-3590. - (2022), pp. 1-5. [Epub ahead of print] [10.1080/09513590.2021.1955342]

Endometrial preparation does not affect the risk of hypertensive disorders of pregnancy in low-risk women undergoing frozen embryo transfer

C. Dallagiovanna
Primo
;
M. Cappellari
Secondo
;
K. Kordas;L. Li Piani;E. Somigliana
Ultimo
2022

Abstract

Objective: Frozen embryo transfer (FET) is associated with a higher risk of hypertensive disorders in pregnancy. The objective of the present study is to evaluate the effect of different protocols of endometrial preparation on the risk of these disorders. Methods: We conducted a retrospective cohort study on 594 singleton pregnancies achieved by embryo transfer of single frozen-thawed blastocysts. Women with preexisting risk factors for hypertensive disorders were excluded. Women were divided into two groups according to the endometrial preparation protocol: either natural cycle (n = 495) or programming cycle with hormonal replacement therapy (n = 97). The primary outcome was the frequency of hypertensive disorders in pregnancy: specifically, gestational hypertension and preeclampsia. Results: No differences emerged between women following the natural cycle and those following the programming cycle in the frequency of gestational hypertension (5 vs. 4%) and preeclampsia (1.1 vs. 1.2%). No impact emerged also after multivariate analyses. Conclusions: Women receiving hormonal replacement therapy have the same risk of gestational hypertension and preeclampsia as women following natural cycles when considering low-risk singleton pregnancies.
corpus luteum; endometrial preparation; Frozen embryo transfer; gestational hypertension; hormonal replacement therapy; preeclampsia
Settore MED/40 - Ginecologia e Ostetricia
12-ago-2021
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/890296
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