Nagayoshi Umehara

Tokyo, Japan

Last Updated: 09/26/2026

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Found 30 publications

Association of hypothyroidism with adverse pregnancy outcomes: a single-center cohort study in an iodine-sufficient country.

Association of hypothyroidism with adverse pregnancy outcomes: a single-center cohort study in an iodine-sufficient country.

Journal: Endocrine journal
Published: April 26, 2026

Association between the cumulative duration of abnormal cardiotocography patterns and fetal acidemia.

Association between the cumulative duration of abnormal cardiotocography patterns and fetal acidemia.

Journal: The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
Published: April 09, 2026

Spontaneous Reduction of an Incarcerated Gravid Uterus With a Giant Uterine Fibroid in Late Pregnancy: A Case Report.

Spontaneous Reduction of an Incarcerated Gravid Uterus With a Giant Uterine Fibroid in Late Pregnancy: A Case Report.

Journal: The journal of obstetrics and gynaecology research
Published: March 26, 2026

Neonatal and Neurodevelopmental Outcomes Following Category 1 Cesarean Section in a Japanese Tertiary Perinatal Center.

Neonatal and Neurodevelopmental Outcomes Following Category 1 Cesarean Section in a Japanese Tertiary Perinatal Center.

Journal: The journal of obstetrics and gynaecology research
Published: March 07, 2026

A case series of rheumatoid arthritis patients exposed to an etanercept biosimilar during pregnancy: Evidence from an increasingly accepted treatment option.

A case series of rheumatoid arthritis patients exposed to an etanercept biosimilar during pregnancy: Evidence from an increasingly accepted treatment option.

Journal: Modern rheumatology
Published: November 12, 2025

Prediction of fetal Graves' disease among pregnant women with Graves' disease who have undergone thyroidectomy or radioactive iodine therapy: A retrospective observational study.

Prediction of fetal Graves' disease among pregnant women with Graves' disease who have undergone thyroidectomy or radioactive iodine therapy: A retrospective observational study.

Journal: Endocrine journal
Published: May 18, 2025

Association between Maternal Midterm eGFR and Newborn Birth Weight: Seiiku Boshi Cohort Study.

Association between Maternal Midterm eGFR and Newborn Birth Weight: Seiiku Boshi Cohort Study.

Journal: Kidney360
Published: April 03, 2025

Umbilical analgesic concentrations after labour analgesia with programmed intermittent epidural bolus: a prospective observational study.

Umbilical analgesic concentrations after labour analgesia with programmed intermittent epidural bolus: a prospective observational study.

Journal: Canadian journal of anaesthesia = Journal canadien d'anesthesie
Published: June 18, 2024

Repeated management of a woman with ornithine transcarbamylase deficiency in two pregnancies.

Repeated management of a woman with ornithine transcarbamylase deficiency in two pregnancies.

Journal: Pediatrics international : official journal of the Japan Pediatric Society
Published: September 27, 2023

Predictive factors for successful external cephalic version with regional anesthesia.

Predictive factors for successful external cephalic version with regional anesthesia.

Journal: The journal of obstetrics and gynaecology research
Published: December 05, 2022

Association of Isolated Hypothyroxinemia and Subclinical Hypothyroidism With Birthweight: A Cohort Study in Japan.

Association of Isolated Hypothyroxinemia and Subclinical Hypothyroidism With Birthweight: A Cohort Study in Japan.

Journal: Journal of the Endocrine Society
Published: November 14, 2022

Predictive factors for vaginal delivery by induction of labor in uncomplicated pregnancies at 40-41 gestational weeks: A Japanese prospective single-center cohort study.

Predictive factors for vaginal delivery by induction of labor in uncomplicated pregnancies at 40-41 gestational weeks: A Japanese prospective single-center cohort study.

Journal: The journal of obstetrics and gynaecology research
Published: June 05, 2022
Showing 1-12 of 30

Last Updated: 09/26/2026