introduction preterm birth is still a major health problem throughout the world. preterm birth results in 75% of neonatal mortality. we sought to identify risk factors which cause preterm birth. materials and methods this cross-sectional study assessed all preterm neonates born in asali hospital in khorram abad (either by nvd or c/s) during the first 6 months of 2007. sampling method was census...

how to cite this article: talebian a, soltani b, sehat m, zahedi a, noorian a, talebian m. incidence and risk factors of neural tube defects in kashan, central iran. iran j child neurol. summer 2015;9(3):50-56. abstract objective neural tube defects (ntds) are the most common congenital defects of central nervous system due to neural tube closure deficit during the third and fourth weeks of ges...

BACKGROUND Fetal sex and maternal age are each known to affect outcomes of pregnancies. The objective of the present study was to investigate the influence of the combination of maternal age and fetal sex on pregnancy outcomes in term and post-term singleton pregnancies. MATERIAL AND METHODS This was a retrospective study on term singleton pregnancies delivered between 2004 and 2008 at the Ch...

background: being a mother is considered by many women as their most important role in life. women’s perceptions of their abilities to manage the demands of parenting and the parenting skills they posses are reflected by perceived maternal role competence. the present study was carried out to assess the perceived maternal role competence and its associated factors among mothers. methods: a desc...

maternal effects on body weight at 8 weeks of age (bw8w), egg weight (ew), egg number (en) and age at sexual maturity (asm) from 13 generations of mazandaran native fowl were investigated. the data were analyzed using restricted maximum likelihood procedures and animal model with dfreml software. with or without using maternal effects, six different animal models were fitted. likelihood ratio t...

OBJECTIVE To evaluate the association of maternal age with occurrence of fetal chromosomal abnormalities in Korean pregnant women of advanced maternal age (AMA). METHODS A retrospective review of the amniocentesis or chorionic villous sampling (CVS) database at Gangnam and Bundang CHA Medical Centers, between January 2001 and February 2012, was conducted. This study analyzed the incidence of ...

BACKGROUND We hypothesized that hemodynamic adaptations related to pregnancy and ageing might be associated with differences in blood pressure levels during pregnancy between younger and older women. This might partly explain the increased risk of gestational hypertensive disorders with advanced maternal age. We examined the associations of maternal age with systolic and diastolic blood pressur...

decrease (5.5%) in Aberdeen. Because maternal age has increased, from a mean of 26 in 1990 to 29 in 1998, we corrected for this variable. Breastfeeding rates were calculated in one year steps of maternal age for 1997-8. The maternal age distribution for 1990-1 was taken from the annual report of the registrar general, and breastfeeding rates for maternal age for 1997-8 were substituted into the...