Keiichi Kato

Shinjuku, 1600023, Japan

Last Updated: 09/26/2026

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Found 84 publications

Assisted Reproductive Technology in Japan: A Summary Report for 2023 by the Committee on Professional Scientific Conduct and Clinical Ethics of the Japan Society of Obstetrics and Gynecology.

Assisted Reproductive Technology in Japan: A Summary Report for 2023 by the Committee on Professional Scientific Conduct and Clinical Ethics of the Japan Society of Obstetrics and Gynecology.

Journal: Reproductive medicine and biology

Published: November 30, 2025

Artificial intelligence-driven oocyte scores are associated with early morphokinetics and embryo outcomes after intracytoplasmic sperm injection.

Artificial intelligence-driven oocyte scores are associated with early morphokinetics and embryo outcomes after intracytoplasmic sperm injection.

Journal: Reproductive biomedicine online

Published: July 11, 2025

Post-warming culture and single vitrified-warmed blastocyst transfer with hyaluronic acid and prolactin: a randomized controlled trial.

Post-warming culture and single vitrified-warmed blastocyst transfer with hyaluronic acid and prolactin: a randomized controlled trial.

Journal: Reproductive biomedicine online

Published: May 21, 2025

Correction: Embryonic Outcomes, Live-Birth Outcomes After Embryo Transfer, and Euploid Rates for Various Direct Cleavage Timing Definitions During First Cytokinesis: A Single-Center, Large-Cohort, Retrospective Study.

Correction: Embryonic Outcomes, Live-Birth Outcomes After Embryo Transfer, and Euploid Rates for Various Direct Cleavage Timing Definitions During First Cytokinesis: A Single-Center, Large-Cohort, Retrospective Study.

Journal: Reproductive sciences (Thousand Oaks, Calif.)

Published: April 14, 2025

Diverse developmental velocities of blastocyst development emerge as early as a few hours after insemination: morphokinetic analysis of fertilisation in days 4-7 blastocysts.

Diverse developmental velocities of blastocyst development emerge as early as a few hours after insemination: morphokinetic analysis of fertilisation in days 4-7 blastocysts.

Journal: Journal of assisted reproduction and genetics

Published: January 24, 2025

Embryonic Outcomes, Live-Birth Outcomes After Embryo Transfer, and Euploid Rates for Various Direct Cleavage Timing Definitions During First Cytokinesis: A Single-Center, Large-Cohort, Retrospective Study.

Embryonic Outcomes, Live-Birth Outcomes After Embryo Transfer, and Euploid Rates for Various Direct Cleavage Timing Definitions During First Cytokinesis: A Single-Center, Large-Cohort, Retrospective Study.

Journal: Reproductive sciences (Thousand Oaks, Calif.)

Published: December 28, 2024

Assisted reproductive technology in Japan: A summary report for 2022 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology.

Assisted reproductive technology in Japan: A summary report for 2022 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology.

Journal: Reproductive medicine and biology

Published: November 19, 2024

Influence of the shortened warming protocol on human blastocyst viability: an in-vitro experimental study.

Influence of the shortened warming protocol on human blastocyst viability: an in-vitro experimental study.

Journal: Reproductive biomedicine online

Published: August 07, 2024

Effects of unequal-sized pronuclei and their origin on embryo development and obstetric outcomes: a time-lapse retrospective study.

Effects of unequal-sized pronuclei and their origin on embryo development and obstetric outcomes: a time-lapse retrospective study.

Journal: Reproductive biomedicine online

Published: June 17, 2024

Developmental perturbation in human embryos: Clinical and biological significance learned from time-lapse images.

Developmental perturbation in human embryos: Clinical and biological significance learned from time-lapse images.

Journal: Reproductive medicine and biology

Published: March 05, 2024

Is the Human Chorionic Gonadotropin Level on Day 10 After Cleaved Embryo Transfer a Predictor of Perinatal Outcome?: A Retrospective Cohort Study.

Is the Human Chorionic Gonadotropin Level on Day 10 After Cleaved Embryo Transfer a Predictor of Perinatal Outcome?: A Retrospective Cohort Study.

Journal: Reproductive sciences (Thousand Oaks, Calif.)

Published: January 28, 2024

Fatty acid supplementation during warming improves pregnancy outcomes after frozen blastocyst transfers: a propensity score-matched study.

Fatty acid supplementation during warming improves pregnancy outcomes after frozen blastocyst transfers: a propensity score-matched study.

Journal: Scientific reports

Published: January 02, 2024

Showing 1-12 of 84

Last Updated: 09/26/2026