Chikahiro Oka

Artificial shrinkage of blastocoeles using either a micro-needle or a laser pulse prior to the cooling steps of vitrification improves survival rate and pregnancy outcome of vitrified human blastocysts

Tetsunori Mukaida, Chikahiro Oka, Tetsuya Goto et al. · Human Reproduction · 2006 · 215 citations · Full text

Veterinary Medicine, Developmental Biology, Obstetrics +17

Perinatal outcome of blastocyst transfer with vitrification using cryoloop: A 4-year follow-up study

Katsuhiko Takahashi, Tetsunori Mukaida, Tetsuya Goto et al. · Fertility and Sterility · 2005 · 179 citations · Full text

Veterinary Medicine, Gynecology, Obstetrics +16

GnRH Antagonist Improved Blastocyst Quality and Pregnancy Outcome After Multiple Failures of IVF/ICSI–ET with a GnRH Agonist Protocol

Katsuhiko Takahashi, Tetsunori Mukaida, Tatsuhiro Tomiyama et al. · Journal of Assisted Reproduction and Genetics · 2004 · 49 citations · Full text

Veterinary Medicine, Gynecology, Obstetrics +17

Survey of 1120 Japanese women with a history of recurrent spontaneous abortions

Tsunehisa Makino, T. Hara, Chikahiro Oka et al. · European Journal of Obstetrics & Gynecology and Reproductive Biology · 1992 · 43 citations

Medicine, Gynecology, Obstetrics +8

Vitrification of oocytes, embryos and blastocysts

Tetsunori Mukaida, Chikahiro Oka · Best Practice & Research Clinical Obstetrics & Gynaecology · 2012 · 40 citations

Veterinary Medicine, Biotechnology, Cell Biology +17