The association of adverse outcomes with pregnancy conception methods among low-risk term pregnancies

Doty, Morgen S.; Chen, Han-Yang; Wagner, Stephen; Chauhan, Suneet P.

doi:10.1016/j.fertnstert.2021.01.008

Cited by 5 publications

(5 citation statements)

References 41 publications

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“…The prevalence of infertility increases with women's age and women older than 35 years are recommended to receive an infertility evaluation and treatment after 6 months of failed attempts to conceive [21]. In addition, several studies have demonstrated that assisted reproductive technologies (ART) are associated with an increased risk of pregnancy complications [22,23].…”

Section: Discussionmentioning

confidence: 99%

Impact of Maternal Age on Singleton Pregnancy Outcomes in Primiparous Women in South Korea

Kim

Lee

et al. 2022

JCM

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We aimed to determine the association between maternal age and pregnancy outcomes in singleton primigravidae in South Korea. We reviewed the medical data of singleton primigravidae women who gave birth between 2013 and 2018 and underwent the National Health Screening Examination using the administrative database from the National Health Insurance claims data. As advanced maternal age is associated with various comorbidities that could affect pregnancy outcomes, we divided the patients according to their age and comparatively analyzed the prevalence of high-risk pregnancy complications including rates of cesarean delivery, after adjusting for maternal demographics. Perinatal and postpartum complications according to maternal age were also investigated. Overall, 548,080 women were included in this study: 441,902 were aged <35 years; 85,663, 35–39 years; 20,515, ≥40 years. Patients’ demographics differed according to their age. Increasing maternal age was significantly associated with higher income levels and higher rates of obesity, pre-existing diabetes, and hypertension. With the increasing maternal age, the rate of obstetric complications, including gestational diabetes, preeclampsia, placenta previa, placental abruption, and cesarean delivery, increased. Maternal age was also positively correlated with perinatal morbidity including preterm birth and low birth weight. Additionally, advanced maternal age was a risk factor for hospitalization before delivery, more frequent outpatient visits, and readmission after delivery. These observations were maintained in the multivariate analysis results. Advanced maternal age appears to be associated with various adverse obstetric outcomes for primigravidae women, and the frequency of hospitalizations was higher in this group. Considering the current social environment of late pregnancies and childbirth in South Korea, effective policy consideration is required to support safe childbirth in women with advanced maternal age.

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Section: Discussionmentioning

confidence: 99%

Impact of Maternal Age on Singleton Pregnancy Outcomes in Primiparous Women in South Korea

Kim

Lee

et al. 2022

JCM

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“…[16][17][18][19] In this study, we aim to compare risks of adverse birth outcomes by mode of conception and type of medically assisted reproduction treatments. Based on previous evidence, 7,20,21 we expect that more invasive treatments are likely to be associated with worse outcomes. In the sibling comparisons, we expect the association between medically assisted reproduction and birth outcomes to attenuate; however, it is unclear whether there are any differences by type of treatments.…”

Section: Resultsmentioning

confidence: 99%

“…On the one hand, we found that more invasive treatments are associated with worse birth outcomes echoing previous studies. 7,20,21 However, this could be related both to the fact couples with severe infertility problems are more likely to use AI and ART and these treatments are associated with an increased risk of multiple births. Our analysis shows that the differences in birth outcomes for all types of medically assisted reproduction treatments in the sibling comparison analyses were small and insignificant (or unlikely to be clinically important).…”

Section: Discussionmentioning

confidence: 99%

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Medically Assisted Reproduction Treatment Types and Birth Outcomes

Pelikh

Smith

Myrskylä

et al. 2022

Obstetrics &Amp; Gynecology

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“…However, the literature suggests that this limitation is minimal since the majority of GWG occurs in the second or third trimester of pregnancy [ 56 ]. Furthermore, although the proportion of women who developed pregnancies using assisted reproduction technology was likely similar between groups, we did not collect information on this variable, which is known to be associated with a higher risk of adverse obstetric outcomes [ 85 ]. To ensure fidelity of intervention implementation throughout the duration of the study, intervention evaluation tools were used, numerous follow-ups were conducted with the care team, and training was provided.…”

Section: Discussionmentioning

confidence: 99%

Association between physical activity education and prescription during prenatal care and maternal and fetal health outcomes: a quasi-experimental study

Saidi

Godbout

Morais-Savoie

et al. 2023

BMC Pregnancy Childbirth

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Background Physical activity (PA) during pregnancy is associated with healthy gestational weight gain (GWG) and a reduced risk of developing gestational diabetes (GD), gestational hypertension (GHT) and fetal macrosomia. However, in Canada, less than 20% of pregnant women meet PA recommendations. This study assessed associations between an intervention including PA education by prenatal nurses and a PA prescription delivered by physicians and fetal and maternal outcomes. Methods This is a quasi-experimental study. Two groups of women who received their prenatal care at the obstetrics clinic of a university hospital were created. In the first group, 394 pregnant women followed at the clinic received standard care. In the second group, 422 women followed at the clinic received standard care supplemented with education on the relevance of PA during pregnancy and a prescription for PA. Data for both study groups were obtained from the medical records of the mothers and their newborns. Logistic regressions were used to compare the odds of developing excessive GWG, GD, GHT, and fetal macrosomia between the two study groups. Results The addition of PA education and PA prescription to prenatal care was associated with 29% lower odds of developing excessive GWG (adjusted odds ratios (OR) 0.71, 95% confidence intervals (CI) 0.51–0.99), 73% lower odds of developing GHT (0.27, 0.14–0.53), 44% lower odds of fetal macrosomia (> 4 kg) (0.56, 0.34–0.93), and 40% lower odds of being large for gestational age (0.60, 0.36–0.99). The intervention was not associated with a difference in odds of developing GD (0.48, 0.12–1.94). Conclusions The inclusion of education and prescription of PA as part of routine prenatal care was associated with improvements in maternal and fetal health outcomes, including significantly lower odds of GWG, GHT and macrosomia.

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The association of adverse outcomes with pregnancy conception methods among low-risk term pregnancies

Cited by 5 publications

References 41 publications

Impact of Maternal Age on Singleton Pregnancy Outcomes in Primiparous Women in South Korea

Impact of Maternal Age on Singleton Pregnancy Outcomes in Primiparous Women in South Korea

Medically Assisted Reproduction Treatment Types and Birth Outcomes

Association between physical activity education and prescription during prenatal care and maternal and fetal health outcomes: a quasi-experimental study

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