International scientific publications        11 апреля 2018        157         Comments Off on Obstetric and neonatal outcome in women aged 50 years and up: A collaborative, Nordic population-based study

Obstetric and neonatal outcome in women aged 50 years and up: A collaborative, Nordic population-based study

Childbearing at extremely advanced maternal age is a globally increasing trend, but only a few studies have described the outcomes of these pregnancies.

The aim of this study was to describe the occurrence of childbearing at age 50 and up in the Nordic countries, as well as to examine the frequency of adverse obstetric and neonatal outcomes.

Study design
A descriptive population-based study was designed. Data from 1991 to 2013 were collected from the Medical Birth Registries in Denmark, Finland, Norway and Sweden. We investigated the occurrence of antepartum, delivery and neonatal outcomes.

A total of 170 deliveries, in 141 singleton and 29 multiple pregnancies, were identified in mothers aged 50 and up. The highest frequency during this period was 6 per 100,000 deliveries. The prevalence for selected adverse outcomes in singleton pregnancies were: intrauterine fetal death (IUFD) 6%, preeclampsia 4%, preterm delivery 14%, gestational diabetes 8% and cesarean delivery 50%. In multiple pregnancies, the respective prevalence were: IUFD 2%, preeclampsia 22%, preterm delivery 57%, gestational diabetes 10% and cesarean delivery 79%. Pregnancy after assisted reproductive technologies was frequent (29% of singleton and 50% of multiple pregnancies).

This study found high frequency of obstetric and neonatal complications at extremely advanced maternal age. Despite a high prevalence of stillbirth in singleton pregnancies in the studied Nordic countries, other complications were less frequent than those previously reported in different populations. Adequate preconception consultation concerning maternal and neonatal hazards is highly recommended in this group of women.

Keywords: Extremely advanced maternal age, Maternal outcome, Neonatal outcome, Intrauterine fetal death, Cesarean delivery
Ali Khatibi, Anne-Marie Nybo Andersen, Mika Gissler, Nils-Halvdan Morken, Bo Jacobsson’Correspondence information about the author Bo JacobssonEmail the author Bo Jacobsson
EJOG, May 2018, Volume 224, Pages 17−20
DOI: 10.1016/j.ejogrb.2018.03.001

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