Hiroshi Matsumoto

2026

Hormone Replacement Cycle Frozen-Thawed Embryo Transfer Is Associated With Elevated Perinatal Risk Compared With Natural Ovulatory Cycle Frozen-Thawed and Fresh Embryo Transfers: Retrospective Analysis of 7,593 Live Birth Cycles.

Reproductive medicine and biology ·doi:10.1002/rmb2.70072

PurposeThis study investigated whether perinatal complications in assisted reproductive technology are attributable to embryo cryopreservation or the specific endometrial preparation method, comparing Fresh Embryo Transfer (Fresh ET), Natur…

2026

Positive and Negative Aspects of Public Insurance Coverage on ART With Respect to Multiple Gestation in Japan.

Reproductive medicine and biology ·doi:10.1002/rmb2.70078

PurposeThis study examined whether the application of public insurance on assisted reproductive technology in Japan was associated with changes in the incidence of multiple blastocyst transfer (MBT) and subsequent multiple pregnancies (MP).…

2021

Effect of X-ray exposure during hysterosalpingography on capabilities of female germ cells.

Journal of assisted reproduction and genetics ·doi:10.1007/s10815-021-02347-2

PurposeTo elucidate the effect of X-ray exposure during hysterosalpingography (HSG) on subsequent laboratory outcomes in in vitro fertilization (IVF).MethodsA total of 1458 oocytes, consisting of 990 oocytes retrieved from 70 women (89 cycl…

article 1988

PERFORATION OF RECTUM DUE TO ENDOMETRIOSIS

·doi:10.2974/kmj1951.38.539

The case of 41-year old woman with a ruptured rectum due to endometriosis is reported. A perforated appendix was initially suspected but rupture of the rectum and a solid tumor distal to it was found during surgery. The surgical procedure i…