Assisted reproductive technology and perinatal outcomes Conventional versus discordant sibling design

Monday, April 25, 2016

Authors:
Nafeesa N. Dhalwani, Ph.D., Sheree L.…

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Potential influence of in utero and early neonatal exposures on the later development of endometriosis

Friday, April 1, 2016
Women with endometriosis, in addition to genetic predisposition, are exposed more frequently to preterm birth during intrauterine life and to formula feeding in early postnatal life.

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Impact of single embryo transfer policy on perinatal outcomes in fresh and frozen cycles analysis of the Japanese Assisted Reproduction Technology registry between 2007 and 2012

Monday, February 1, 2016
Single embryo transfer (SET) policy improves perinatal outcomes in Japan. The impact of SET policy was different in fresh and frozen cycles for several perinatal outcomes.

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The maternal microbiome and pregnancy outcomes

Monday, November 30, 2015
Metagenomic research has begun to reveal the complex interaction between the gravid microbiome, maternal genetic polymorphisms, and spontaneous preterm birth.

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Are pregnancy planning and timing associated with preterm or small for gestational age births

Monday, November 30, 2015
Neither pregnancy planning nor timing showed a significant association with preterm or small for gestational age births in this large prospective cohort controlling for confounders.

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Beyond infertility Obstetrical and postpartum complications associated with endometriosis and adenomyosis

Tuesday, September 29, 2015
During pregnancy, women with endometriosis may undergo severe complications, such as spontaneous hemoperitoneum, and seem to be at higher risk of preterm birth and placenta previa.

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Changes in antimullerian hormone levels in early pregnancy are associated with preterm birth

Thursday, July 30, 2015
A lack of change in antimullerian hormone levels in early pregnancy is associated with preterm birth in women with a maternal serum a-fetoprotein level of >1.0 multiple of the median.

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Preconception blood pressure and risk of preterm birth A large historical cohort study in a Chinese rural population

Monday, June 29, 2015
We conducted a large-sample, historical study and identified a strong, independent, and linear relationship between preconception BP level and PTB in a Chinese rural reproductive-age population of women.

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Single vitrified blastocyst transfer maximizes liveborn children per embryo while minimizing preterm birth

Monday, June 1, 2015
Single vitrified-warmed blastocyst transfer provides excellent live-birth rates and higher embryo to live-birth efficiency while minimizing preterm birth and low birth weight, relative to double transfer.

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Perinatal outcomes associated with assisted reproductive technology The Massachusetts Outcomes Study of Assisted Reproductive Technologies MOSART

Monday, March 30, 2015
Comparing assisted reproductive technology (ART) singleton births with subfertile births found significantly higher rates of preterm birth and low birth weight in the ART cohort. Among twins, ART births had significantly lower perinatal death rates.

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Assisted reproductive technology and the risk of preterm birth among primiparas

Monday, March 30, 2015
Singletons born to primiparous women using assisted reproductive technology had increased risk for preterm birth compared with those conceived spontaneously. The increased risk was observed along the gestational age continuum.

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Prospective study of time to pregnancy and adverse birth outcomes

Monday, March 30, 2015
In this registry-based cohort study, we found positive associations between prospectively measured time to pregnancy and several adverse birth outcomes, including preterm birth, low birth weight, placental disorders, gestational diabetes, and cesarean section.

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Low technology assisted reproduction and the risk of preterm birth in a hospital based cohort

Monday, December 29, 2014
In a hospital-based cohort, intrauterine insemination and/or ovulation induction/stimulation was associated with increased risk of preterm birth at <37, <35, and <32 weeks gestation compared with a general obstetric population.

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Infertility trial outcomes Healthy moms and babies

Wednesday, April 30, 2014
Infertility trials should routinely report important maternal, fetal, and neonatal outcomes. These include details regarding pregnancy losses, preterm birth, pre-eclampsia, diabetes, growth restriction, genetic problems, and birth defects.

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Perinatal outcomes in 375 children born after oocyte donation a Danish national cohort study

Tuesday, April 30, 2013
Children born after oocyte donation have a higher risk of preterm birth and low birth weight than after standard in vitro fertilization, mainly due to the risk of preeclampsia.

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Inflammation: a link between endometriosis and preterm birth

Wednesday, June 6, 2012
Inflammatory events are involved in the pathogenesis of endometriosis and preterm birth, and a clinical correlation is suggested.

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Risks of adverse pregnancy outcome in endometriosis

Wednesday, June 6, 2012
Endometriosis increases the risk of several pregnancy complications; some are caused by ectopic lesions, whereas others may reflect the impact of an adverse uterine environment on placenta formation.

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Early pregnancy testosterone after ovarian stimulation and pregnancy outcome

Thursday, May 31, 2012
Ovarian stimulation before conception is associated with significant elevations in first-trimester testosterone. Further studies are needed to evaluate the effect of early pregnancy testosterone on outcomes.

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Effect of maternal height and weight on risk of preterm birth in singleton and twin births resulting from in vitro fertilization: a retrospective cohort study using the Society for Assisted Reproductive Technology Clinic Outcome Reporting System

Friday, May 25, 2012
Overweight significantly increases the risk of very early preterm and very preterm births in twins conceived by IVF.

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