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Etiological evaluation of repeated biochemical pregnancy in infertile couples who have undergone in vitro fertilization

대한산부인과학회지 2017년 60권 6호 p.565 ~ 570
이현미, 이화정, 양광문, 차선화, 안현경, 김영주,
소속 상세정보
이현미 ( Lee Hyun-Mi ) - Dankook University College of Medicine Cheil General Hospital and Women’s Healthcare Center Department of Obstetrics and Gynecology
이화정 ( Lee Hwa-Jeong ) - Dankook University College of Medicine Cheil General Hospital and Women’s Healthcare Center Department of Obstetrics and Gynecology
양광문 ( Yang Kwang-Moon ) - Dankook University College of Medicine Cheil General Hospital and Women’s Healthcare Center Department of Obstetrics and Gynecology
차선화 ( Cha Sun-Hwa ) - Dankook University College of Medicine Cheil General Hospital and Women’s Healthcare Center Department of Obstetrics and Gynecology
안현경 ( Ahn Hyun-Kyong ) - Dankook University College of Medicine Cheil General Hospital and Women’s Healthcare Center Department of Obstetrics and Gynecology
김영주 ( Kim Young-Joo ) - Medi-i Women’s Hospital Department of Obstetrics and Gynecology

Abstract


Objective: This study aims to investigate whether there are any notable etiologies for repeated biochemical pregnancy (RBP) and, if so, to compare those etiologies associated with repeated spontaneous abortion in infertile couples who have undergone in vitro fertilization (IVF).

Methods: Forty-four infertile couples who underwent IVF and experienced RBP were included in this study. RBP was defined as more than 2 early pregnancy losses that occurred before the detection of a gestational sac, with ectopic pregnancies specifically excluded by serial serum beta human chorionic gonadotropin evaluation. Forty-three infertile couples who underwent IVF and experienced recurrent spontaneous abortion (RSA) were included as a control group. Karyotype analysis, anatomic evaluation of uterus, endocrine and immunological evaluation were performed. In addition, the number of pregnant women confirmed by 12 weeks' gestation was compared between groups.

Results: Immunological factors (RSA: 20.9% vs. RBP: 29.5%, P=0.361), diminished ovarian reserve (RSA: 10.9% vs. RBP: 17%, P=0.552), and parental chromosomal abnormalities (RSA: 18.6% vs. RBP: 9.1%, P=0.218) were not different between groups. Additionally, the incidence of uterine factors (RSA: 11.6% vs. RBP: 4.6%, P=0.206), unknown cause (RSA: 48.8% vs. RBP: 54.5%, P=0.161), and the pregnancy outcome identified until 12 weeks' gestation (RSA: 46.5% vs. RBP: 38.6%, P=0.520) did not differ between groups.

Conclusion: In the present study, the causes of RBP after IVF were similar to those of RSA. Accordingly, we suggest that efforts should be made to define the etiology of RBP, particularly for infertile couples, and that possible management strategies should be offered.

키워드

Biochemical phenomena; Pregnancy; Habitual abortion; Etiology; In vitro fertilization

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