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Lab 1

Reserach Article 1

Toshimitsu M, Nagamatsu T, Nagasaka T, Iwasawa-Kawai Y, Komatsu A, Yamashita T, Osuga Y, Fujii T. Increased risk of pregnancy-induced hypertension and operative delivery after conception induced by in vitro fertilization/intracytoplasmic sperm injection in women aged 40 years and older. 2014 Aug 11. pii: S0015-0282(14)00607-4., PMID: 25123639

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Summary

This article investigates the association between preconception fertility status and unfavorable pregnancy outcomes of women of aged 40 years and older who used the technology associated with in vitro fertilization/ intracytoplasmic sperm injection.

To do this, medical record of 330 women who aged 40 years and older and delivered a singleton were compared with 450 women who aged 30 to 34 years who delivered a singleton at same university maternity ward in terms of following criteria : - Incidence of pregnancy-induced hypertension, - Gestational diabetes mellitus, - Preterm birth - Low birth weight

  • Every women in aged 40 years and older and aged 30 to 34 years were also divided into following 3 groups based on mode of following conception method:

-spontaneous conception (SC) -in vitro fertilization/intracytoplasmic sperm injection conception (IVF-ICSI)

The result had shown that incidence of pregnancy-induced hypertension and the rate of operative surgery, which includes emergency cesarean section and instrumental delivery were statistically higher in IVF-ICSI group than the SC group due to elevated incidence of labor protraction. However there were no statistical difference observed in the frequency of gestational diabetes mellitus, preterm birth, or low birth weight between women aged 40 years and older and women aged 30 to 34 years old


Research Article 2