Results 11 to 20 of about 41,346 (241)
Risk factors for first-trimester spontaneous abortion and the role of preconception care [PDF]
Frontiers in Global Women's HealthBackgroundSpontaneous abortion in the first trimester is a common adverse pregnancy outcome with significant implications for maternal health and public health practice.
Yuliya Podilyakina +6 more
doaj +2 more sources
miR‐146a/b‐5p‐IRAK1‐NF‐κB Axis Regulates Unexplained Recurrent Spontaneous Abortion [PDF]
Journal of Molecular Recognition, Volume 39, Issue 3, May 2026.ABSTRACT Unexplained recurrent spontaneous abortion (URSA) remains a prevalent obstetric issue, the underlying causes of which are still not fully understood. MicroRNAs (miRNAs) have the potential to influence URSA through their regulation of gene expression.
Fengping He +7 more
wiley +2 more sources
Demographic Research, 2021 Background: Contraceptive failure increases the chances of pregnancy termination, including both induced abortions and spontaneous terminations. Proper separation requires accounting for competing risks of pregnancy outcomes. Objective: To measure the
David Antonio Sánchez-Páez +1 more
doaj +1 more source
Placental Abruption and Perinatal Mortality: Abnormal Placentation and Spontaneous Abortion as Contributors to Left Truncation Bias [PDF]
Paediatric and Perinatal Epidemiology, EarlyView.ABSTRACT Background Generally, studies in perinatal epidemiology restrict cohort entry to 20 weeks of gestation, but exposures and outcomes may occur earlier. This restriction may introduce left truncation bias. Objectives To examine the impact of left truncation bias when estimating the causal effect of abruption on perinatal mortality in the context ...
Alan C. Kinlaw +2 more
wiley +2 more sources
Frontiers in Endocrinology, 2020 BackgroundThe risk of spontaneous abortion in patients with polycystic ovary syndrome (PCOS) undergoing assisted reproductive treatment (ART) is higher than that in patients without PCOS, however, no definitive risk factors have been confirmed to ...
Yi-Fei Sun +6 more
doaj +1 more source
MMP-9 Level Comparation between Spontaneous Abortion and Normal Pregnancy
Indonesian Biomedical Journal, 2012 BACKGROUND: Abortion remains a problem in the obstetric care as it is one of the causes of maternal and fetal death. Bleeding or miscarriage threat in the first trimester comprises 20% to 25% of all pregnant women, and 50% of them will end as spontaneous
Aloysius Suryawan +2 more
doaj +1 more source
A Phenomenological Study on the Spontaneous Abortion Experiences of Women [PDF]
Korean Journal of Women Health Nursing, 2017 PURPOSE: The purpose of this study was to explore essences and meaning in experiences of women who have had spontaneous abortion. METHODS: A phenomenological methodology was used for the study.
Ju Eun Hong, Jum Mi Park
doaj +1 more source
Prediction value of first trimester ultrasound parameters for pregnancy outcome [PDF]
Zhenduanxue lilun yu shijian, 2021 Objective: To explore the predictive value of ultrasonographic parameters in the first trimester pregnancy outcomes. Methods: A total of 1 651 pregnancy were enrolled, and ultrasonographic parameters including fetal heart rate(FHR), mean gestation sac ...
CAO Yunyun, WANG Guanjie, ZENG Min, WANG Haifeng, NIU Jianmei, ZHOU Leiping
doaj +1 more source
Universa Medicina, 2018 BACKGROUND Recurrent spontaneous abortion is defined as the occurrence of three or more clinical miscarriages in one woman. Several factors, including genetics and environmental factors, are involved in this kind of infertility, in which WNT7A ...
Manouchehr Mazdapour +2 more
doaj +1 more source
Andalas Obstetrics and Gynecology JournalIntroduction : Placenta acreta index is a scoring system using ultrasound parameters used to diagnose placenta accreta. Parameters included are the number of previous caesarean section, location of the placenta, grading of lacunae, presence of bridging ...
Nabilah Azhari +2 more
doaj +1 more source