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Adverse obstetric outcomes in pregnancies resulting from oocyte donation: a retrospective cohort case study in Sweden

Overview of attention for article published in BMC Pregnancy and Childbirth, October 2015
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Title
Adverse obstetric outcomes in pregnancies resulting from oocyte donation: a retrospective cohort case study in Sweden
Published in
BMC Pregnancy and Childbirth, October 2015
DOI 10.1186/s12884-015-0687-9
Pubmed ID
Authors

Evangelia Elenis, Agneta Skoog Svanberg, Claudia Lampic, Alkistis Skalkidou, Helena Åkerud, Gunilla Sydsjö

Abstract

Oocyte donation has been associated to gestational diabetes, hypertensive disorders, placental abnormalities, preterm delivery and increased rate of caesarean delivery while simultaneously being characterized by high rates of primiparity, advanced maternal age and multiple gestation constituting the individual risk of mode of conception difficult to assess. This study aims to explore obstetrical outcomes among relatively young women with optimal health status conceiving singletons with donated versus autologous oocytes (via IVF and spontaneously). National retrospective cohort case study involving 76 women conceiving with donated oocytes, 150 nulliparous women without infertility conceiving spontaneously and 63 women conceiving after non-donor IVF. Data on obstetric outcomes were retrieved from the National Birth Medical Register and the medical records of oocyte recipients from the treating University Hospitals of Sweden. Demographic and logistic regression analysis were performed to examine the association of mode of conception and obstetric outcomes. Women conceiving with donated oocytes (OD) had a higher risk of hypertensive disorders [adjusted Odds Ratio (aOR) 2.84, 95 % CI (1.04-7.81)], oligohydramnios [aOR 12.74, 95 % CI (1.24-130.49)], postpartum hemorrhage [aOR 7.11, 95 % CI (2.02-24.97)] and retained placenta [aOR 6.71, 95 % CI (1.58-28.40)] when compared to women who conceived spontaneously, after adjusting for relevant covariates. Similar trends, though not statistically significant, were noted when comparing OD pregnant women to women who had undergone non-donor IVF. Caesarean delivery [aOR 2.95, 95 % CI (1.52-5.71); aOR 5.20, 95 % CI (2.21-12.22)] and induction of labor [aOR 3.00, 95 % CI (1.39-6.44); aOR 2.80, 95 % CI (1.10-7.08)] occurred more frequently in the OD group, compared to the group conceiving spontaneously and through IVF respectively. No differences in gestational length were noted between the groups. With regard to the indication of OD treatment, higher intervention was observed in women with diminished ovarian reserve but the risk for hypertensive disorders did not differ after adjustment. The selection process of recipients for medically indicated oocyte donation treatment in Sweden seems to be effective in excluding women with severe comorbidities. Nevertheless, oocyte recipients-despite being relatively young and of optimal health status- need careful counseling preconceptionally and closer monitoring prenatally for the development of hypertensive disorders.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 107 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Ghana 1 <1%
Unknown 106 99%

Demographic breakdown

Readers by professional status Count As %
Student > Master 14 13%
Student > Bachelor 14 13%
Student > Ph. D. Student 13 12%
Researcher 9 8%
Student > Postgraduate 8 7%
Other 15 14%
Unknown 34 32%
Readers by discipline Count As %
Medicine and Dentistry 47 44%
Nursing and Health Professions 7 7%
Agricultural and Biological Sciences 4 4%
Social Sciences 4 4%
Business, Management and Accounting 1 <1%
Other 5 5%
Unknown 39 36%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 October 2015.
All research outputs
#18,429,163
of 22,830,751 outputs
Outputs from BMC Pregnancy and Childbirth
#3,471
of 4,191 outputs
Outputs of similar age
#200,101
of 278,190 outputs
Outputs of similar age from BMC Pregnancy and Childbirth
#83
of 102 outputs
Altmetric has tracked 22,830,751 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,191 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.8. This one is in the 9th percentile – i.e., 9% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 278,190 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 16th percentile – i.e., 16% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 102 others from the same source and published within six weeks on either side of this one. This one is in the 9th percentile – i.e., 9% of its contemporaries scored the same or lower than it.