Effect of day 3 embryo cell number on the pregnancy and neonatal outcomes of day 4 single embryo transfer from fresh cycles
Lin-Lin Tao, Bo Zheng, Guo-Zhen Li, Ya-Song Geng, Yu-Ying Guo, Hao-Yang Dai, Shu-Song Wang, Fang-Fang Dai · 2024
Read Effect of day 3 embryo cell number on the pregnancy and neonatal outcomes of day 4 single embryo transfer from fresh cycles by Lin-Lin Tao, Bo Zheng, Guo-Zhen Li, Ya-Song Geng, Yu-Ying Guo, Hao-Yang Dai, Shu-Song Wang, Fang-Fang Dai (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11585943.txt.
Description
Lin-Lin Tao and co-authors published this fertility study in 2024. In IVF, clinics choosing an embryo for a day-four single transfer can look back at how many cells it had on day three. The team asked whether that cell count predicts pregnancy and newborn outcomes. They reviewed 431 fresh single transfers, sorting them into three groups by day-three cell number: seven to nine cells, ten to thirteen, and more than thirteen.
Embryos from the middle group did best. Their pregnancy and live birth rates beat the seven-to-nine group across age bands and in the standard IVF subgroup, and after statistical adjustment the gap held. The newborn outcomes, by contrast, did not differ between groups. The authors recommend preferring embryos that held ten to thirteen cells on day three when a day-four transfer is planned. They note the fastest group was small, with only 34 cycles.
Catalog record
| CREATOR | Lin-Lin Tao, Bo Zheng, Guo-Zhen Li, Ya-Song Geng, Yu-Ying Guo, Hao-Yang Dai, Shu-Song Wang, Fang-Fang Dai |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 38 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |