Monopaternal Superfecundation in an In Vitro Fertilization Cycle: A Case-Based Review

Cao Q1,2,3#, Tan J1,2#, Wang R1,2,3 and Zhu H1,2,3*

1Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, China
2Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Sichuan University, China
3Department of Reproductive Medical Center, West China Second University Hospital, China
#These authors contributed equally to this work

^*Correspondance to: Huili Zhu 

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Abstract:

Background: Superfecundation refers to oocyte fertilization from multiple sexual intercourses in the same menstrual cycle, bringing about multi-zygotic pregnancies from mono- or heteropaternal superfecundations. Case: We reported a case of a couple who had unprotected intercourse occurred 2 to 4 days before oocyte retrieval. And monopaternal superfecundation of heterosexual twins occurred after the transfer of one embryo. Unprotected intercourse around the time of oocyte retrieval will put women receiving IVF at greater risk of superfecundation, which would disturb the treatment of PGT, and affect maternal-fetal health for high-order pregnancies. Conclusion: Women receiving IVF should avoid unprotected intercourses around the time of oocyte retrieval.

Keywords:

Superfecundation; In vitro fertilization; Case-based review

Cite the Article:

Cao Q, Tan J, Wang R, Zhu H. Monopaternal Superfecundation in an In Vitro Fertilization Cycle: A Case- Based Review. Ann Clin Case Rep. 2023; 8: 2540..