| The Tei index for evaluation of fetal myocardial performance in sick fetuses K Ichizuka, J Hasegawa, N Shirato, M Jimbo, K Otsuki, A Sekizawa, ... Early human development 81 (3), 273-279, 2005 | 169 | 2005 |
| Effects of epidural analgesia on labor length, instrumental delivery, and neonatal short-term outcome J Hasegawa, A Farina, G Turchi, Y Hasegawa, M Zanello, S Baroncini Journal of anesthesia 27, 43-47, 2013 | 143 | 2013 |
| Current status of pregnancy-related maternal mortality in Japan: a report from the Maternal Death Exploratory Committee in Japan J Hasegawa, A Sekizawa, H Tanaka, S Katsuragi, K Osato, T Murakoshi, ... BMJ open 6 (3), e010304, 2016 | 118 | 2016 |
| Velamentous cord insertion: significance of prenatal detection to predict perinatal complications J Hasegawa, R Matsuoka, K Ichizuka, A Sekizawa, T Okai Taiwanese Journal of Obstetrics and Gynecology 45 (1), 21-25, 2006 | 77 | 2006 |
| Ultrasound diagnosis and management of umbilical cord abnormalities J Hasegawa, R Matsuoka, K Ichizuka, A Sekizawa, T Okai Taiwanese Journal of Obstetrics and Gynecology 48 (1), 23-27, 2009 | 75 | 2009 |
| Reduction of progesterone receptor expression in human cumulus cells at the time of oocyte collection during IVF is associated with good embryo quality J Hasegawa, A Yanaihara, S Iwasaki, Y Otsuka, M Negishi, T Akahane, ... Human reproduction 20 (8), 2194-2200, 2005 | 62 | 2005 |
| Relevant obstetric factors for cerebral palsy: from the nationwide obstetric compensation system in Japan J Hasegawa, S Toyokawa, T Ikenoue, Y Asano, S Satoh, T Ikeda, ... PloS one 11 (1), e0148122, 2016 | 61 | 2016 |
| Umbilical cord characteristics and their association with adverse pregnancy outcomes: A systematic review and meta-analysis DJL Hayes, J Warland, MM Parast, RW Bendon, J Hasegawa, J Banks, ... PLoS One 15 (9), e0239630, 2020 | 58 | 2020 |
| Prediction of hemorrhage in placenta previa J Hasegawa, M Nakamura, S Hamada, R Matsuoka, K Ichizuka, ... Taiwanese Journal of Obstetrics and Gynecology 51 (1), 3-6, 2012 | 58 | 2012 |
| Ultrasonographic findings of placenta lacunae and a lack of a clear zone in cases with placenta previa and normal placenta S Hamada, J Hasegawa, M Nakamura, R Matsuoka, K Ichizuka, ... Prenatal diagnosis 31 (11), 1062-1065, 2011 | 49 | 2011 |
| Analysis of placental weight centiles is useful to estimate cause of fetal growth restriction J Hasegawa, K Arakawa, M Nakamura, R Matsuoka, K Ichizuka, ... Journal of Obstetrics and Gynaecology Research 37 (11), 1658-1665, 2011 | 49 | 2011 |
| Decline in maternal death due to obstetric haemorrhage between 2010 and 2017 in Japan J Hasegawa, S Katsuragi, H Tanaka, A Kurasaki, M Nakamura, ... Scientific reports 9 (1), 11026, 2019 | 47 | 2019 |
| Vasa previa is not infrequent J Hasegawa, M Nakamura, K Ichizuka, R Matsuoka, A Sekizawa, T Okai The Journal of Maternal-Fetal & Neonatal Medicine 25 (12), 2795-2796, 2012 | 46 | 2012 |
| Reduction of connexin 43 in human cumulus cells yields good embryo competence during ICSI J Hasegawa, A Yanaihara, S Iwasaki, K Mitsukawa, M Negishi, T Okai Journal of assisted reproduction and genetics 24, 463-466, 2007 | 46 | 2007 |
| Maternal death due to stroke associated with pregnancy-induced hypertension J Hasegawa, T Ikeda, A Sekizawa, H Tanaka, M Nakata, T Murakoshi, ... Circulation Journal 79 (8), 1835-1840, 2015 | 45 | 2015 |
| Prediction of risk for vasa previa at 9–13 weeks' gestation J Hasegawa, M Nakamura, A Sekizawa, R Matsuoka, K Ichizuka, T Okai Journal of Obstetrics and Gynaecology Research 37 (10), 1346-1351, 2011 | 42 | 2011 |
| Increase in maternal death-related venous thromboembolism during pregnancy in Japan (2010–2013) H Tanaka, S Katsuragi, K Osato, J Hasegawa, M Nakata, T Murakoshi, ... Circulation Journal 79 (6), 1357-1362, 2015 | 39 | 2015 |
| Uterine rupture after the uterine fundal pressure maneuver J Hasegawa, A Sekizawa, I Ishiwata, T Ikeda, K Kinoshita Journal of Perinatal medicine 43 (6), 785-788, 2015 | 37 | 2015 |
| Application of superb micro-vascular imaging (SMI) in obstetrics J Hasegawa, H Yamada, E Kawasaki, T Matsumoto, S Takahashi, ... The Journal of Maternal-Fetal & Neonatal Medicine 31 (2), 261-263, 2018 | 34 | 2018 |
| Capable of identifying risk factors for placental abruption J Hasegawa, M Nakamura, S Hamada, K Ichizuka, R Matsuoka, ... The journal of maternal-fetal & neonatal medicine 27 (1), 52-56, 2014 | 34 | 2014 |
