Study of Maternal Age and Pregnancy Outcome in a Federal Tertiary Health Institution in Delta State, South South, Nigeria

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Emmanuel A Ugorji Anthony Emeka Ojieh Wilson J. I. Ozoko L.


Reproduction age remains the most critical factor for the female. Age bracket 20-25 years is seen as the optimal childbearing age range, age 35 is considered the threshold for a complications-free pregnancy. With an increase in the mean maternal age at childbirth, impact of maternal age on pregnancy outcome has become increasingly important. This retrospective study was embarked upon to investigate that impact on mode of delivery, birth weight and possible complications on mother and foetus. The data of 3501 women seen at a federal tertiary health institution over a 7 years period (2008 – 2014) was collated and analysed under different age brackets. Using linear regression model to analyse the causal-effect relationship between the variables, the women were grouped into 18-25 years (n=722); 26-33 years (n=1994); 34-41 years (n=750); 42-49 years (n=35). Mean maternal age was 29.74; average duration of pregnancy was 38.04 weeks. Spontaneous Vaginal Delivery was most common in the 18-25 years; least in the 42-49 years group which suggested a positive correlation between age and caesarean section. With PPMCC/R) of -0.016 and a p-0.368, there was a weak negative correlation between age and duration of Labour; thus not statistically significant. Gestational diabetes was seen more in the 26-34 and 35-41 age brackets. Birth weight varied across age brackets; LBW was highest, and NBW least in the 42-49 group bracket. Macrosomic babies were highest in the 34-41 years, least in the 18-25 years and absent in the 42-49 years group.

Key words: Maternal age, pregnancy, complications, outcome

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How to Cite
UGORJI, Emmanuel A et al. Study of Maternal Age and Pregnancy Outcome in a Federal Tertiary Health Institution in Delta State, South South, Nigeria. International Journal of Forensic Medical Investigation, [S.l.], v. 4, n. 2, p. 28-33, apr. 2019. ISSN 2489-0286. Available at: <>. Date accessed: 25 may 2019. doi:
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