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Objective: To evaluate the associations among levels of vitamins A, E, D, and B6 in follicular fluid embryo morphokinetics and quality, and clinical pregnancy rates. Study Design: A total of 58 patients with unexplained infertility admitted to the in vitro fertilisation (IVF) centre of Izmir Medical Park Hospital were included in this prospective clinical study. For each patient, vitamin levels were assayed using high-performance liquid chromatography. After intracytoplasmic sperm injection, for each oocyte, the relationships between each vitamin and subsequent embryo quality, embryo morphokinetics, and clinical pregnancy rates were investigated. Embryos were classified as grade A, B, C, or D according to morphokinetic parameters using t5-t2 and t5-t3 (cc3). Results: There was no significant correlation between embryo morphokinetic parameters (tpnf, t2, t3, t4, t5, t6, t7 and t8) and follicular fluid vitamin (A, B6, D and E) levels (p>0.05). There was a significant positive correlation between t5optimal and follicular fluid vitamin A levels (p |
