Koichi Nagao
Tokyo, Japan
Last Updated: 09/26/2026
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Found 51 publications
Three Decades of Change in Frequency of Sexual Intercourse and Sexual Function Among Japanese Men: A Comparative National Survey.
Journal: International journal of urology : official journal of the Japanese Urological Association
Published: September 28, 2025
Prevalence and associated factors of delayed ejaculation: insights from a nationwide internet-based, cross-sectional survey on male sexual dysfunction in Japan.
Journal: Sexual medicine
Published: June 27, 2025
Prevalence and Factors Associated with Premature Ejaculation in Japan: First Nationwide Cross-Sectional Survey by the Japanese Society for Sexual Medicine.
Journal: The world journal of men's health
Published: March 09, 2025
The degree of blastocyst re-expansion immediately after warming is a strong dynamic indicator of embryo quality.
Journal: Reproductive biomedicine online
Published: January 04, 2025
Endometrial injection of embryo culture supernatant adversely affects assisted reproductive technology outcomes in frozen thawed embryo transfer cycles.
Journal: Scientific reports
Published: November 27, 2024
Erectile Function and Sexual Activity Are Declining in the Younger Generation: Results from a National Survey in Japan.
Journal: The world journal of men's health
Published: June 04, 2024
Correction: Effect of blastocyst shrinkage on assisted reproductive outcomes: a retrospective cohort study describing a new morphological evaluation of blastocyst pre-vitrification and post-warming.
Journal: Journal of ovarian research
Published: May 22, 2024
Effectiveness of dose-dense methotrexate, vinblastine, doxorubicin, and cisplatin as compared to gemcitabine-based regimens as neoadjuvant chemotherapy for oncologic outcomes in muscle-invasive bladder cancer cases-Single-center study in Japan.
Journal: International journal of urology : official journal of the Japanese Urological Association
Published: April 03, 2024
A new model for determining risk of male infertility from serum hormone levels, without semen analysis.
Journal: Scientific reports
Published: February 29, 2024
Inflammatory Markers in Combination With Multiple Patterns of Extrarenal Extension Accurately Indicate Recurrence Risk in Patients With pT3aN0M0 Clear Cell Renal Cell Carcinoma.
Journal: Cancer reports (Hoboken, N.J.)
Published: January 25, 2024
Endometrial congestion is the only hysteroscopic finding indicative of chronic endometritis.
Journal: PloS one
Published: January 22, 2024
Global Practice Patterns and Variations in the Medical and Surgical Management of Non-Obstructive Azoospermia: Results of a World-Wide Survey, Guidelines and Expert Recommendations.
Journal: The world journal of men's health
Published: November 22, 2023
Last Updated: 09/26/2026