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PREGNANCY OUTCOME IN LATE MATERNAL AGE IN A HIGH-INCOME DEVELOPING COUNTRY
Hind A. A. AlShami · Anjali R. Kadasne · Muna Khalfan · Saima Z. Iqbal , Hisham M. Mirghani
Women’s Health Department, Al Ain Hospital, H. M. Mirghani Department of Obstetrics and Gynecology,
Faculty of Medicine and Health Sciences, UAE University , Al-Ain , United Arab Emirates
Introduction
• World wide there is an increasing prevalence of advanced
maternal age (AMA) at marriage and first birth which is
associated with higher obstetrical and perinatal
complications .
• Various studies showed controversial results with higher
rates of adverse pregnancy outcome mainly seen in those
40 years and above rather than the cut-off 35 years.
• United Arab Emirates has a multiethnic community where
they are of good general health, socioeconomic status and
low smoking rate.
• This study aimed to compare the pregnancy out come
among those delivered at age of 35 years and above
versus those aged 20-34 years.
Materials and methods
• Setting :Al Ain Hospital, Al Ain District, United Arab
Emirates.
• Type Of Study: Prospective study
• Time : April 1st 2009 - Sep. 30th 2009
• Questionnaire sheets were filled on a daily basis. Collected
data included parity, delivery gestational age, presence of
consanguinity and infertility, past medical, past and current
obstetric history, intrapartum events, mode of delivery,
pregnancy outcome (birth weight, gender, Apgar score, and
admission to special care baby unit) and post partum course
(postpartum hemorrhage, infection, and deep venous
thrombosis).
• Statistical analysis, using SPSS package, was performed to
compare outcome using the Chi-square test, Fisher exact two-
tailed test, and Spearman bivariate correlation. The confidence
interval (CI) at 95% was calculated. Level of significance was
set at
p value <0.05.
Results
• The total number of patients included were 888 women, 699
(78.7%) were between 20 and 34 years , 189 (21.3%) were
35 years and above.
• UAE nationals constituted one third of the study group
(Figure 1).
• Pregnant women at 35 years and above had a significantly
higher incidence of type 2 diabetes mellitus (p=0.001),
hypothyroidism (P=0.02), and history of miscarriage
(p=0.0001).
• Advanced maternal age is significantly associated with higher
incidence of GDM (p= 0.0001), placenta previa (p=0.04),
induction of labor (p=0.04), and Cesarean section (p=0.009)
(Figure 2) .
0"
5"
10"
15"
20"
25"
30"
GDM"
PP"
IOL"
CS"
20‐34"years"
35"&"above"
Conclusion
Pregnancy at the age of 35 years and above
has a higher incidence of GDM, placenta
previa, induction of labor, and cesarean
section.
However, perinatal outcomes are comparable
to younger mothers.
References
1. Heffner LJ (2004) Advanced maternal age—how old is too old? N Engl J Med 351:1927–1929
2. Green KE, Smith DE (2007) Change and continuity: childbirth and parenting across three
generations of women in the United Arab Emirates. Child Care Health Dev 33:266–274
3- Diejomaoh MF, Al-Shamali IA, Al-Kandari F, Al-Qenae M, Mohd AT (2006) The reproductive
performance of women at 40 years and over. Eur J Obstet Gynecol Reprod Biol 126:33–38
4- Carter AO, Saadi HF, Reed RL, Dunn EV (2004) Assessment of obesity, lifestyle, and
reproductive health needs of female citizens of Al Ain, United Arab Emirates. J Health Popul
Nutr 22:75–83
Figure 2. Maternal Complications
PP; placenta previa, IOL; induction of labor, CS; Cesarean section
Figure 1. Distribution of ethnic groups
0"
5"
10"
15"
20"
25"
30"
35"
40"
45"
50"
UAE"
Arabs"
Indian"Sub."
others"
20‐34"years"
35"&"above"