Journal of Human Reproductive Science
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ORIGINAL ARTICLE Table of Contents   
Year : 2016  |  Volume : 9  |  Issue : 1  |  Page : 23-27
Correlation of serum estradiol level on the day of ovulation trigger with the reproductive outcome of intracytoplasmic sperm injection


Department of Reproductive Medicine, Sri Ramachandra University, Chennai, Tamil Nadu, India

Correspondence Address:
Dr. N Siddhartha
Room No. 80, B-Block, Mens Hostel, Sri Ramachandra University, Porur, Chennai - 600 116, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0974-1208.178631

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BACKGROUND: Serum estradiol (E2) levels are measured in in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI), to assess the ovarian response and to predict ovarian hyperstimulation syndrome. The impact of peak E2levels on IVF-ICSI outcome was found to be inconsistent in the previous studies. AIM: To evaluate the impact of the serum E2levels on the day of ovulation trigger with the reproductive outcome of ICSI. SETTINGS AND DESIGN: Retrospective observational study. ART Center, at a Tertiary Care University Teaching Hospital. SUBJECTS AND METHODS: Eighty-nine infertile women, who underwent ICSI with fresh embryo transfer over a period of 3 years, were included in the study. The study subjects were grouped based on the serum E2level on the day of ovulation trigger:- Group I - <1000 pg/ml, Group II - 1000–2000 pg/ml, Group III – 2000.1-3000 pg/ml, Group IV – 3000.1–4000 pg/ml, and Group V >4000 pg/ml. The baseline characteristics and controlled ovarian hyperstimulation (COH) outcome were compared among the study groups. STATISTICAL ANALYSIS USED: Chi-square test, Student's t-test, ANOVA, and logistic regression analysis. RESULTS: The study groups were comparable with regard to age, body mass index, ovarian reserve. Group V had significantly higher number of oocytes retrieved than I and II (18.90 vs. 11.36 and 11.33; P = 0.009). Group IV showed significantly higher fertilization rate than I, III, and V; (92.23 vs. 77.43, 75.52, 75.73; P = 0.028). There were no significant differences in the implantation rates (P = 0.368) and pregnancy rates (P = 0.368). CONCLUSION: Higher E2levels on the day of ovulation trigger would predict increased oocyte yield after COH. E2levels in the range of 3000–4000 pg/ml would probably predict increased fertilization and pregnancies in ICSI cycles.


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