Factors associated with spontaneous abortion: a systematic review

Abstract

Objectives: to compile studies produced regardinggenetic and non-genetic risks factors associated with occurrence of spontaneous abortion. Methods: it talks about a systematic review article, with studies between January of 2008 to November of 2018 according to SciELO, PubMed, Lilacs and BVS. Results: in total, 567 articles were found. After applying the definedeligibility criteria, 44 articles made part of the review, being the majority published on Asia between 2008 and 2011, and 10 articles published on Brazil. Not genetic causes like sociodemographic factors and healthy state were among the most associated conditions of spontaneous abortion. Asiatic continent had predominance about the correlation of spontaneous abortion with factors related to life style like obesity, smoking and labor activities, on the other hand, in the Americas, causes related to sociodemographics factors like low pay and low studies are high-lighted. Conclusions: the risk factors change about the occurrence region, being important to make local studies capable of subsidize the implantation of public politics and to reduce abortions.

Suspected Miscarriage in the Experience of Emergency Medical Services Teams—Preliminary Study

“…One important aspect of pregnancy loss involves its risk factors. Among the many risk factors for miscarriage, researchers have highlighted the mother’s age, socio-economic standing, nutritional status, and substance use; history of obstetric problems such as miscarriage, premature labor, cesarean section, or gestational diabetes mellitus; performing physical labor requiring heavy lifting; stress; infections; and hormonal factors [ 24 , 25 , 26 , 27 ]. Both maternal age above 35 years and multiple previous deliveries increase the risk of miscarriage [ 24 ].…”

Interactive Effects of Maternal Vitamin D Status and Socio-Economic Status on the Risk of Spontaneous Abortion: Evidence from Henan Province, China

“…A body of studies have revealed that lower SES is one of the most common risk factors associated with adverse pregnancy or neonatal outcomes, including stillbirth, neonatal mortality, congenital heart disease and spontaneous abortion [22]. Besides, consistent evidence across many countries has indicated that people in lower SES suffer more from inadequate intake and deficiency of vitamin D [23][24][25].…”

Ser-mulher em abortamento: um estudo à luz da fenomenologia existencial

“…Dentre os principais fatores genéticos, destacam-se as anormalidades cromossômicas e polimorfismos; dentre as causas não genéticas, estão os processos infecciosos, causas socioeconômicas, ambientais, distúrbios endócrinos e trombofílicos. Por outro lado, cerca de 50% dos casos de abortamento apresenta-se como causas desconhecidas (Oliveira et al, 2020).…”

“…Por ocorrer de forma tão precocemente, muitas vezes, inicialmente a etiologia é considerada desconhecida. Nesse sentido, sua incidência é estimada em 15 a 20% de todas as gestações, sendo a maioria destes nas primeiras semanas de gestação (Oliveira et al, 2020).…”

“…Destacam-se ainda os prejuízos emocionais e psicológicos desencadeados pelo processo do abortamento, tanto para a gestante como para sua família, bem como o risco elevado de morte materna em decorrência destas complicações (Oliveira et al, 2020).…”