Akihiko Sekizawa

Author PubWeight™ 60.12‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Guidelines for obstetrical practice in Japan: Japan Society of Obstetrics and Gynecology (JSOG) and Japan Association of Obstetricians and Gynecologists (JAOG) 2014 edition. J Obstet Gynaecol Res 2014 1.92
2 Guidelines for obstetrical practice in Japan: Japan Society of Obstetrics and Gynecology (JSOG) and Japan Association of Obstetricians and Gynecologists (JAOG) 2011 edition. J Obstet Gynaecol Res 2011 1.54
3 Maternal Death Due to Stroke Associated With Pregnancy-Induced Hypertension. Circ J 2015 1.46
4 Increase in maternal death-related venous thromboembolism during pregnancy in Japan (2010-2013). Circ J 2015 1.46
5 p53 mutations and overexpression affect prognosis of ovarian endometrioid cancer but not clear cell cancer. Gynecol Oncol 2003 1.14
6 Gene expression in chorionic villous samples at 11 weeks' gestation from women destined to develop preeclampsia. Prenat Diagn 2008 1.14
7 Attitudes toward non-invasive prenatal diagnosis among pregnant women and health professionals in Japan. Prenat Diagn 2012 1.09
8 Decidual polyps are associated with preterm delivery in cases of attempted uterine cervical polypectomy during the first and second trimester. J Matern Fetal Neonatal Med 2014 1.07
9 Cell-free mRNA concentrations of CRH, PLAC1, and selectin-P are increased in the plasma of pregnant women with preeclampsia. Prenat Diagn 2007 0.96
10 Velamentous cord insertion: significance of prenatal detection to predict perinatal complications. Taiwan J Obstet Gynecol 2006 0.95
11 Fragmentation of cell-free fetal DNA in plasma and urine of pregnant women. Prenat Diagn 2005 0.95
12 Expression of angiogenesis-related genes in the cellular component of the blood of preeclamptic women. Reprod Sci 2009 0.95
13 Lower rate of preeclampsia after antioxidant supplementation in pregnant women with low antioxidant status. Hypertens Pregnancy 2006 0.95
14 Performance of messenger RNAs circulating in maternal blood in the prediction of preeclampsia at 10-14 weeks. Am J Obstet Gynecol 2010 0.93
15 Nationwide demonstration project of next-generation sequencing of cell-free DNA in maternal plasma in Japan: 1-year experience. Prenat Diagn 2015 0.93
16 The Tei index for evaluation of fetal myocardial performance in sick fetuses. Early Hum Dev 2005 0.92
17 Atypical variable deceleration in the first stage of labor is a characteristic fetal heart-rate pattern for velamentous cord insertion and hypercoiled cord. J Obstet Gynaecol Res 2009 0.92
18 Lower maternal PLAC1 mRNA in pregnancies complicated with vaginal bleeding (threatened abortion <20 weeks) and a surviving fetus. Clin Chem 2004 0.92
19 Analysis of the ultrasonographic findings predictive of vasa previa. Prenat Diagn 2010 0.91
20 Gene expression in chorionic villous samples at 11 weeks of gestation in women who develop preeclampsia later in pregnancy: implications for screening. Prenat Diagn 2009 0.91
21 Genetics of endometrial cancers. Obstet Gynecol Int 2010 0.90
22 Relationship between severity of hyperemesis gravidarum and fetal DNA concentration in maternal plasma. Clin Chem 2003 0.89
23 Ultrasound diagnosis and management of umbilical cord abnormalities. Taiwan J Obstet Gynecol 2009 0.88
24 Cellular mRNA expressions of anti-oxidant factors in the blood of preeclamptic women. Prenat Diagn 2009 0.88
25 Ultrasonographic findings of placenta lacunae and a lack of a clear zone in cases with placenta previa and normal placenta. Prenat Diagn 2011 0.87
26 Placenta-derived, cellular messenger RNA expression in the maternal blood of preeclamptic women. Obstet Gynecol 2007 0.87
27 Cases of death due to serious group A streptococcal toxic shock syndrome in pregnant females in Japan. Arch Gynecol Obstet 2014 0.87
28 Prediction of preeclampsia by analysis of cell-free messenger RNA in maternal plasma. Am J Obstet Gynecol 2009 0.86
29 Evaluation of physiological alterations of the placenta through analysis of cell-free messenger ribonucleic acid concentrations of angiogenic factors. Am J Obstet Gynecol 2008 0.85
30 Total cell-free DNA (beta-globin gene) distribution in maternal plasma at the second trimester: a new prospective for preeclampsia screening. Prenat Diagn 2004 0.85
31 Gene expression in chorionic villous samples at 11 weeks of gestation in women who develop pre-eclampsia later in pregnancy: implications for screening. Prenat Diagn 2011 0.84
32 Can ultrasonography of the placenta previa predict antenatal bleeding? J Clin Ultrasound 2011 0.83
33 PP13 mRNA expression in the cellular component of maternal blood as a marker for preeclampsia. Prenat Diagn 2009 0.83
34 K-ras mutation may promote carcinogenesis of endometriosis leading to ovarian clear cell carcinoma. Med Electron Microsc 2004 0.83
35 Prediction of hemorrhage in placenta previa. Taiwan J Obstet Gynecol 2012 0.82
36 Vitamin B₆ supplementation in pregnant women with nausea and vomiting. Int J Gynaecol Obstet 2011 0.82
37 Placenta increta: Postpartum monitoring of plasma cell-free fetal DNA. Clin Chem 2003 0.82
38 Detection and quantification of fetal DNA in maternal plasma by using LightCycler technology. Methods Mol Biol 2008 0.82
39 Placental expression of microRNA-17 and -19b is down-regulated in early pregnancy loss. Eur J Obstet Gynecol Reprod Biol 2013 0.82
40 Quantitative distribution of a panel of circulating mRNA in preeclampsia versus controls. Prenat Diagn 2006 0.82
41 Vitamin K2 treatment for postmenopausal osteoporosis in Indonesia. J Obstet Gynaecol Res 2006 0.81
42 PLAC1 mRNA levels in maternal blood at induction of labor correlate negatively with induction-delivery interval. Eur J Obstet Gynecol Reprod Biol 2006 0.81
43 Clinical potential for noninvasive prenatal diagnosis through detection of fetal cells in maternal blood. Taiwan J Obstet Gynecol 2006 0.80
44 Cell-free fetal DNA (SRY locus) concentration in maternal plasma is directly correlated to the time elapsed from the onset of preeclampsia to the collection of blood. Prenat Diagn 2004 0.80
45 Analysis of placental weight centiles is useful to estimate cause of fetal growth restriction. J Obstet Gynaecol Res 2011 0.80
46 The role of p53 mutation in the carcinomas arising from endometriosis. Int J Gynecol Pathol 2007 0.79
47 Antioxidant supplementation in pregnant women with low antioxidant status. J Obstet Gynaecol Res 2012 0.79
48 Disappearance of steroid hormone dependency during malignant transformation of ovarian clear cell cancer. Int J Gynecol Pathol 2005 0.79
49 Performance of a panel of maternal serum markers in predicting preeclampsia at 11-15 weeks' gestation. Prenat Diagn 2007 0.79
50 Enrichment of NRBC in maternal blood: a more feasible method for noninvasive prenatal diagnosis. Prenat Diagn 2006 0.79
51 Rapid clearance of mRNA for PLAC1 gene in maternal blood after delivery. Fetal Diagn Ther 2004 0.79
52 Maternal smoking and placental expression of a panel of genes related to angiogenesis and oxidative stress in early pregnancy. Fetal Diagn Ther 2014 0.78
53 Higher circulating mRNA levels of placental specific genes in a patient with placenta accreta. Prenat Diagn 2011 0.78
54 Fate of fetal nucleated erythrocytes circulating in maternal blood: apoptosis is induced by maternal oxygen concentration. Clin Chem 2002 0.78
55 Is maternal anemia associated with small placental volume in the first trimester? Arch Gynecol Obstet 2014 0.78
56 Sonohysterography is a useful diagnostic approach for uterine arteriovenous malformation. J Obstet Gynaecol Res 2014 0.78
57 Distribution of nuchal translucency thickness in Japanese fetuses. J Obstet Gynaecol Res 2012 0.78
58 Increased levels of cell-free human placental lactogen mRNA at 28-32 gestational weeks in plasma of pregnant women with placenta previa and invasive placenta. Reprod Sci 2013 0.78
59 Fetal DNA in maternal plasma as a screening variable for preeclampsia. A preliminary nonparametric analysis of detection rate in low-risk nonsymptomatic patients. Prenat Diagn 2004 0.78
60 Evaluation of placental function using near infrared spectroscopy during fetal growth restriction. J Perinat Med 2010 0.78
61 Vasa previa is not infrequent. J Matern Fetal Neonatal Med 2012 0.78
62 Uterine rupture after the uterine fundal pressure maneuver. J Perinat Med 2015 0.78
63 Cell-free mRNA concentrations of plasminogen activator inhibitor-1 and tissue-type plasminogen activator are increased in the plasma of pregnant women with preeclampsia. Clin Chem 2007 0.77
64 Physiological changes in the pattern of placental gene expression early in the first trimester. Reprod Sci 2012 0.77
65 Intrapartum fetal heart rate pattern in oligohydramnios. Fetal Diagn Ther 2008 0.77
66 Umbilical cord insertion to the lower uterine segment is a risk factor for vasa previa. Fetal Diagn Ther 2007 0.76
67 Prediction of risk for vasa previa at 9-13 weeks' gestation. J Obstet Gynaecol Res 2011 0.76
68 Testing normality of fetal DNA concentration in maternal plasma at 10-12 completed weeks' gestation: a preliminary approach to a new marker for genetic screening. Prenat Diagn 2002 0.76
69 Correlation between the cervical length and the amount of bleeding during cesarean section in placenta previa. J Obstet Gynaecol Res 2011 0.76
70 Non-invasive prenatal diagnosis from the perspective of a low-resource country. Int J Gynaecol Obstet 2013 0.76
71 Opening of the uterine isthmus at 11-13 weeks' gestation is not related to developmental abnormalities of the placenta. Early Hum Dev 2013 0.75
72 MR Imaging of Fetuses to Evaluate Placental Insufficiency. Magn Reson Med Sci 2015 0.75
73 Hypovolemic shock due to massive edema of a pedunculated uterine myoma after delivery. J Obstet Gynaecol Res 2009 0.75
74 Circulating mRNA for the PLAC1 gene as a second trimester marker (14-18 weeks' gestation) in the screening for late preeclampsia. Fetal Diagn Ther 2014 0.75
75 Gestational weight loss has adverse effects on placental development. J Matern Fetal Neonatal Med 2012 0.75
76 Velamentous cord insertion caused by oblique implantation after in vitro fertilization and embryo transfer. J Obstet Gynaecol Res 2011 0.75
77 Maternal cell-free messenger RNA in twin pregnancies: the effects of chorionicity and severe twin to twin transfusion syndrome (TTTS). Acta Obstet Gynecol Scand 2012 0.75
78 Do fetal heart rate deceleration patterns during labor differ between various umbilical cord abnormalities? J Perinat Med 2009 0.75
79 Distribution of Chlamydia trachomatis Infection Determined by Nucleic Acid Amplification Tests in Pregnant Women in Japan. Jpn J Infect Dis 2016 0.75
80 Repeated Measurement of Crown-Rump Length at 9 and 11-13 Weeks' Gestation: Association with Adverse Pregnancy Outcome. Fetal Diagn Ther 2015 0.75
81 Relationship between the umbilical cord coiling index and the umbilical blood flow at 11-13 weeks of gestation. Prenat Diagn 2013 0.75
82 Diagnosis of a case of Dandy-Walker malformation aided by measurement of the brainstem-vermis angle at 14 weeks gestation. J Obstet Gynaecol Res 2014 0.75
83 Influence of early self-diagnosis and treatment of bacterial vaginosis on preterm birth rate. Int J Gynaecol Obstet 2012 0.75
84 Defect in the uterine wall with prolapse of amniotic sac into it at 32 weeks' gestation in a primigravida woman without any previous uterine surgery. J Obstet Gynaecol Res 2013 0.75
85 Capable of identifying risk factors for placental abruption. J Matern Fetal Neonatal Med 2013 0.75
86 Umbilical cord insertion site in early gestation and development of placenta. J Perinat Med 2009 0.75
87 Localization of the embryo in the lower part of the gestational sac at 6-7 weeks' gestation is associated with placenta previa. Fetal Diagn Ther 2011 0.75
88 Amount of hemorrhage during vaginal delivery correlates with length from placental edge to external os in cases with low-lying placenta whose length between placental edge and internal os was 1-2 cm. J Obstet Gynaecol Res 2012 0.75
89 The volume of the chorion villosum is associated with the location of the umbilical cord in the first trimester. Prenat Diagn 2013 0.75
90 Causes of intrauterine fetal death are changing in recent years. J Perinat Med 2017 0.75
91 Effect of sleep disorders on threatened premature delivery. J Perinat Med 2017 0.75
92 Management of vasa previa during pregnancy. J Perinat Med 2015 0.75
93 Current Status of Condylomata Acuminata in Pregnant Japanese Women. Jpn J Infect Dis 2016 0.75
94 Quantitative RT-PCR gene expression analysis of a laser microdissected placenta: an approach to study preeclampsia. Methods Mol Biol 2011 0.75
95 Development of a fibrous DNA chip for cost-effective β-thalassemia genotyping. Int J Hematol 2012 0.75