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Background: Recurrent pregnancy loss (RPL) often stems from a hypercoagulable state that exacerbates conditions such as antiphospholipid syndrome (APS) and thrombophilia, leading to early placental issues. Although treatments such as low-molecular-weight heparin (LMWH) and low-dose aspirin (LDA) are used, outcomes vary. This study proposes using first-trimester Doppler ultrasound - specifically, uterine radial artery resistance index (URa-RI) at 8 weeks and uterine artery pulsatility index (Ut-PI) with pre-diastolic notching (Ut-notch) at 11-13 weeks - to better predict successful pregnancies and reduce risks of adverse outcomes.

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Introduction: Smoking during pregnancy (SDP) seems to paradoxically decrease the likelihood of preeclampsia. We aimed to investigate the association between smoking and isolated proteinuria during pregnancy. In addition, we investigated the associations and potential interaction between smoking and proteinuria on the risk for preterm birth.

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Inclination of antidepressant medication continuation during pregnancy between 2012 and 2023 in Japan: A cohort study.

J Affect Disord

January 2025

Division of Molecular Epidemiology, Graduate School of Medicine, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8573, Japan; Department of Preventive Medicine and Epidemiology, Tohoku Medical Megabank Organization, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8573, Japan; Department of Pharmaceutical Sciences, Tohoku University Hospital, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8574, Japan. Electronic address:

Background: As multiple Japanese academic societies have recently issued treatment guidelines for perinatal antidepressant treatments, it is considered worthwhile to evaluate the latest trends and continuation of antidepressant medication during pregnancy to optimize antenatal prescriptions.

Methods: The prevalence, trend, and continuation of antidepressant use during pregnancy in Japan from 2012 to 2023 were evaluated, using a large administrative claims database, in women whose pregnancies ended in live births. Annual changes were evaluated using a multivariate logistic regression model adjusted for maternal age at delivery.

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Chromosomal abnormalities of the embryo are the most common cause of first-trimester pregnancy loss. In this single-center study, we assessed the frequency and the spectrum of chromosomal abnormalities in miscarriages for each year of maternal age from 23 to 44. Cytogenetic data were obtained by conventional karyotyping of 7118 miscarriages in women with naturally conceived pregnancies.

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Objective: To evaluate the impact of twin dating by ultrasound-measured crown-rump length (CRL) of the larger (CRL-L), smaller (CRL-S) or mean twin measurement (CRL-M) on the rates of preterm birth (PTB) and detection of small for gestational age (SGA) births.

Design: A retrospective cohort study.

Setting: A tertiary fetal medicine centre (London, UK).

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