Rikikazu Sugiyama

Tokyo, Japan

Last Updated: 09/26/2026

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Found 56 publications

Correction: Multicenter study of fetal crown-rump length measurement using 3D ultrasound in assisted reproductive technology pregnancies.

Correction: Multicenter study of fetal crown-rump length measurement using 3D ultrasound in assisted reproductive technology pregnancies.

Journal: Journal of medical ultrasonics (2001)

Published: August 05, 2026

Protocol for assisted sperm fusion insemination of human oocytes using zona pellucida-bound sperm.

Protocol for assisted sperm fusion insemination of human oocytes using zona pellucida-bound sperm.

Journal: STAR protocols

Published: April 07, 2026

Comparison of resectoscope and tissue removal device in managing chronic endometritis associated with endometrial polyps.

Comparison of resectoscope and tissue removal device in managing chronic endometritis associated with endometrial polyps.

Journal: Journal of reproductive immunology

Published: February 19, 2026

Multicenter study of fetal crown-rump length measurement using 3D ultrasound in assisted reproductive technology pregnancies.

Multicenter study of fetal crown-rump length measurement using 3D ultrasound in assisted reproductive technology pregnancies.

Journal: Journal of medical ultrasonics (2001)

Published: September 09, 2025

Association between CD138-positive cell count in endometrial stroma and pregnancy outcomes after single blastocyst transfer.

Association between CD138-positive cell count in endometrial stroma and pregnancy outcomes after single blastocyst transfer.

Journal: Journal of reproductive immunology

Published: July 19, 2025

Tacrolimus treatment in reproductive failures.

Tacrolimus treatment in reproductive failures.

Journal: Journal of reproductive immunology

Published: June 19, 2025

Impact of low-dose aspirin therapy initiation timing on pregnancy outcomes after frozen-thawed blastocyst transfer.

Impact of low-dose aspirin therapy initiation timing on pregnancy outcomes after frozen-thawed blastocyst transfer.

Journal: Journal of reproductive immunology

Published: November 04, 2024

A New Strategy for Chronic Endometritis Treatment Using Fermented Soy Product (ImmuBalance™).

A New Strategy for Chronic Endometritis Treatment Using Fermented Soy Product (ImmuBalance™).

Journal: Journal of reproduction & infertility

Published: September 01, 2024

Risk Factors for Alcohol Consumption after Starting Assisted Reproductive Technology Treatment among Japanese Women: Japan-Female Employment and Mental Health in Assisted Reproductive Technology (J-FEMA) Study.

Risk Factors for Alcohol Consumption after Starting Assisted Reproductive Technology Treatment among Japanese Women: Japan-Female Employment and Mental Health in Assisted Reproductive Technology (J-FEMA) Study.

Journal: International journal of environmental research and public health

Published: October 19, 2023

Therapeutic efficacy of the optimization of thyroid function, thrombophilia, immunity and uterine milieu (OPTIMUM) treatment strategy on pregnancy outcomes after single euploid blastocyst transfer in advanced age women with recurrent reproductive failure.

Therapeutic efficacy of the optimization of thyroid function, thrombophilia, immunity and uterine milieu (OPTIMUM) treatment strategy on pregnancy outcomes after single euploid blastocyst transfer in advanced age women with recurrent reproductive failure.

Journal: Reproductive medicine and biology

Published: October 10, 2023

Immunosuppressive therapy with tacrolimus is a potential drug candidate for the prevention of unexplained or preeclamptic stillbirths with Th1-dominant immune states: a case series of five patients.

Immunosuppressive therapy with tacrolimus is a potential drug candidate for the prevention of unexplained or preeclamptic stillbirths with Th1-dominant immune states: a case series of five patients.

Journal: The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians

Published: September 14, 2023

Tacrolimus treatment in women with repeated implantation failures.

Tacrolimus treatment in women with repeated implantation failures.

Journal: Reproductive medicine and biology

Published: July 29, 2023

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Last Updated: 09/26/2026