Oocyte Scoring Enhances Embryo-Scoring in Predicting Pregnancy Chances with IVF Where It Counts Most.

ABSTRACT:

Context

Our center's quality improvement optimization process on many occasions anecdotally suggested that oocyte assessments might enhance embryo assessment in predicting pregnancy chances with in vitro fertilization (IVF).

Objective

To prospectively compare a morphologic oocyte grading system to standard day-3 morphologic embryo assessment.

Design, setting, patients

We prospectively investigated in a private academically-affiliated infertility center 94 consecutive IVF cycles based on 6 criteria for oocyte quality: morphology, cytoplasm, perivitelline space (PVS), zona pellucida (ZP), polar body (PB) and oocyte size, each assigned a value of -1 (worst), 0 (average) or +1 (best), so establishing an average total oocyte score (TOS). Embryo assessment utilized grade an

SUBMITTER: Lazzaroni-Tealdi E 

PROVIDER: S-EPMC4668065 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature