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Article
FNAIT pathogenesis determined by serial analysis of three subsequent pregnancies of a woman with severe fetal and neonatal alloimmune thrombocytopenia (FNAIT) with anti-HPA-4b and anti-HPA-5b alloantibodies in the first sibling
Fetal and neonatal alloimmune thrombocytopenia (FNAIT) is caused by anti-HPA alloantibody, and anti-HPA-4b is the most common cause in Japanese. Anti-HPA-5b is frequently detected in pregnant women, but it is ...
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Article
Obstetrical outcomes of labor with and without analgesia in Robson classification groups 1 and 2a: a single-center retrospective study
This study aimed to elucidate the effects of neuraxial analgesia on labor in women classified based on the Robson classification system.
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Article
Exponential increase of the gestational-age-specific incidence of preeclampsia onset (COPE study): a multicenter retrospective cohort study in women with maternal check-ups at <20 weeks of gestation in Japan
According to the 2004 Japanese definition, early-onset (EO) preeclampsia (PE) is defined as PE occurring at <32 weeks of gestation. This was based on the presence of “dual peaks” (30–31 and 34–35 weeks) in the...
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Article
A multicenter prospective study of home blood pressure measurement (HBPM) during pregnancy in Japanese women
In the near future, hypertensive disorders of pregnancy (HDP) have been diagnosed by home blood pressure monitoring (HBPM) instead of clinic BP monitoring. A multicenter study of HBPM was performed in pregnant...
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Article
Open AccessThe accuracy of contrast-enhanced computed tomography scans to detect postpartum haemorrhage: an observational study
Postpartum haemorrhage is a major cause of maternal mortality. Although contrast-enhanced computed tomography (CE-CT) is useful to reveal arterial bleeding, its accuracy in postpartum haemorrhage is unclear. T...
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Article
Open AccessThe RPOC long axis is a simple indicator for predicting the need of invasive strategies for secondary postpartum hemorrhage in either post-abortion or post-partum women: a retrospective case control study
The retained products of conception (RPOC) and related conditions (RPOC-ARC) are the main cause of secondary postpartum hemorrhage (sPPH), but there is no clear consensus for their management. The purpose of t...
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Article
Open AccessA systematic review and meta-analysis of obstetric and maternal outcomes after prior uterine artery embolization
This study aimed to review the obstetric complications during subsequent pregnancies after uterine artery embolization (UAE) for postpartum hemorrhage (PPH) by exploring the relationship between prior UAE and ...
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Article
Open AccessAntenatal diagnosis of placenta accreta spectrum after in vitro fertilization-embryo transfer: a systematic review and meta-analysis
Increasing evidence suggests a relationship between in vitro fertilization-embryo transfer (IVF-ET) and placenta accreta spectrum (PAS). Some studies have reported a lower rate of antenatal diagnosis of PAS af...
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Article
Open AccessPlacenta previa with posterior extrauterine adhesion: clinical features and management practice
A diagnostic sign on magnetic resonance imaging, suggestive of posterior extrauterine adhesion (PEUA), was identified in patients with placenta previa. However, the clinical features or surgical outcomes of pa...
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Article
Open AccessBochdalek hernia in an adult: two case reports and a review of perioperative cardiopulmonary complications
Bochdalek hernia in an adult is very rare and often needs an immediate surgical repair for the herniation. Although its etiology and surgical techniques have frequently been reported, perioperative complicatio...
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Article
Successful management of fetal hemolytic disease due to strong anti-Rh17 with plasma exchange and intrauterine transfusion in a woman with the D−− phenotype
The rare blood phenotype D−− is characterized by the absence of RhCcEe antigens. Women with this blood type who have experienced previous pregnancies may produce anti-Rh17 antibodies, which may cause severe fe...
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Article
Open AccessEndometrial carcinoma in a gravid uterus: a case report and literature review
Endometrial carcinoma (EC) is rarely diagnosed during pregnancy. Therefore, the histopathological findings, clinical course, and gross appearance of the resected uterus during pregnancy are not well known. We ...
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Article
Prenatal findings of serpentine-like syndrome with congenital intrathoracic stomach: differential diagnosis from congenital diaphragmatic hernia
Congenital rachischisis and brachioesophagus with secondary intrathoracic stomach, which is described as “serpentine-like syndrome”, is a very rare condition. We report the prenatal findings of serpentine-like...
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Article
Open AccessNew dedicated blunt straight needles and sutures for uterine compression sutures: a retrospective study and literature review
We developed a dedicated blunt straight needle with No. 2 polydioxanone sutures (2-Monodiox®) for uterine compression sutures (UCSs) and aimed to assess the outcomes and complication rates of UCSs for postpart...
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Article
Obstetric outcomes and acceptance of alternative therapies to blood transfusion by Jehovah’s Witnesses in Japan: a single-center study
We sought to investigate obstetric outcomes and acceptance rates for blood products or types of autotransfusion by Jehovah’s Witnesses (JWs) at a single institution in Japan. We retrospectively reviewed cases ...
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Article
Open AccessSuccessful anticoagulant therapy for disseminated intravascular coagulation during conservative management of placenta percreta: a case report and literature review
Placenta percreta is a rare obstetric condition associated with the risk of massive intraoperative hemorrhage. Recently, conservative management of placenta percreta has been performed to reduce maternal morbi...
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Article
Open AccessA case of acute Sheehan’s syndrome and literature review: a rare but life-threatening complication of postpartum hemorrhage
Sheehan’s syndrome occurs because of severe postpartum hemorrhage causing ischemic pituitary necrosis. Sheehan’s syndrome is a well-known condition that is generally diagnosed several years postpartum. However...
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Article
Pathophysiology of preeclampsia: an angiogenic imbalance and long-lasting systemic vascular dysfunction
Preeclampsia is a systemic vascular disorder characterized by new-onset hypertension and proteinuria after 20 weeks of gestation. This condition targets several organs, including the kidneys, liver and brain, ...
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Article
Abnormal pressure-wave reflection in pregnant women with chronic hypertension: association with maternal and fetal outcomes
The current study tested the hypothesis that abnormal pressure-wave reflection may have an important role in identifying pregnant women with chronic hypertension who might develop pre-eclampsia (PE) and/or fet...
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Article
A case of neonatal alloimmune thrombocytopenia in the presence of both anti-HPA-4b and anti-HPA-5b antibody: clinical and serological analysis of the subsequent pregnancy
Neonatal alloimmune thrombocytopenia (NAIT) is induced by maternal alloantibodies raised against fetal platelet antigens inherited from the paternal parent. In contrast to Caucasians, in Asians, predominantly ...
