Aya Koyanagi

Recognition of facial expression of fetuses by artificial intelligence (AI)

Yasunari Miyagi, Toshiyuki Hata, Saori Bouno et al. · Journal of Perinatal Medicine · 2021 · 31 citations · Full text

Superb microvascular imaging with Doppler luminance using an 18-MHz probe to visualize fetal intra-abdominal blood vessels and organ microvasculature

Toshiyuki Hata, Aya Koyanagi, Tomomi Yamanishi et al. · Journal of Perinatal Medicine · 2019 · 24 citations

Tissue Imaging, Engineering, Health Sciences +13

Fetal abdominal blood vessels and organ microvasculature detected by Slow<i>flow</i> HD

Toshiyuki Hata, Aya Koyanagi, Takahiro Yamanishi et al. · Ultrasound in Obstetrics and Gynecology · 2020 · 23 citations

Obstetric Imaging, Medical Ultrasound, Engineering +22

Three-dimensional power Doppler indices at 18–22 weeks’ gestation for prediction of fetal growth restriction or pregnancy-induced hypertension

Junko Noguchi, Hirokazu Tanaka, Aya Koyanagi et al. · Archives of Gynecology and Obstetrics · 2014 · 20 citations

Hypertension, Fetal Growth Restriction, Gestational Hypertension +13

Macrosomia in 23 Developing Countries

Aya Koyanagi, J. Zhang, Ayush Dagvadorj et al. · Obstetric Anesthesia Digest · 2014 · 19 citations

Email Address, Development Economics, Operative Vaginal Delivery +23