Progesterone/estradiol ratio <0.25 on the day of human chorionic gonadotropin administration is associated with adverse pregnancy outcomes in prolonged protocols for in vitro fertilization/intracytoplasmic sperm injection
Objective: It has been suggested that a progesterone/estradiol ratio (P/E2) ≥ 1.0 on the day of human chorionic gonadotropin (hCG) administration indicates premature luteinization and might be associated with an adverse pregnancy; however, a lower limit of this ratio has not been determined. We aime...
Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2017-02-01
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Series: | Taiwanese Journal of Obstetrics & Gynecology |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S1028455916302297 |