The impact of the interpregnancy interval on birth weight and other pregnancy outcomes

Bener, Abdülbari; Saleh, N.; Salameh, Khalil; Basha, Basma; Joseph, S.; Samson, Nancy; AlBuz, Rama

doi:10.1590/s1519-38292012000300003

Cited by 25 publications

(18 citation statements)

References 21 publications

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“…The odds of infants born within < 24 months birth interval were nearly three times to have LBW. This finding was in lined with a study in Sudan [ 11 ], Qatar [ 80 ], Iran [ 81 ], China [ 82 ], and United States [ 83 ]. The possible explanation might be due to short birth interval could result inadequate replenishment of maternal nutrients due to the physiologic depletion of folate that occurs in pregnancy and lactation, which result a negative impact on the growth of the fetus.…”

Section: Discussionsupporting

confidence: 90%

Low birth weight and its associated factors in Ethiopia: a systematic review and meta-analysis

et al. 2018

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BackgroundDifferent primary studies in Ethiopia showed the burden of low birth weight. However, variation among those studies was seen. This study was aimed to estimate the national prevalence and associated factors of low birth weight in Ethiopia.MethodsPubMed, Web of Science, Cochrane library, and Google Scholar were searched. A funnel plot and Egger’s regression test were used to see publication bias. I-squared statistic was applied to check heterogeneity of studies. A weighted inverse variance random-effects model was applied to estimate the national prevalence and the effect size of associated factors. The subgroup analysis was conducted by region, study design, and year of publication.ResultA total of 30 studies with 55,085 participants were used for prevalence estimation. The pooled prevalence of LBW was 17.3% (95% CI: 14.1–20.4). Maternal age < 20 years (AOR = 1.7; 95% CI:1.5–2.0), pregnancy interval < 24 months (AOR = 2.8; 95%CI: 1.4–4.2), BMI < 18.5 kg/m2 (AOR = 5.6; 95% CI: 1.7–9.4), and gestational age < 37 weeks at birth (AOR = 6.4; 95% CI: 2.5–10.3) were identified factors of LBW.ConclusionsThe prevalence of low birth weight in Ethiopia remains high. This review may help policy-makers and program officers to design low birth weight preventive interventions.

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Section: Discussionsupporting

confidence: 90%

Low birth weight and its associated factors in Ethiopia: a systematic review and meta-analysis

et al. 2018

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“…The predominance of long intervals was found by other studies, which showed that the prevalence was higher for birth or pregnancy-spacing intervals of > 5 years. 9,12,[21][22][23] The increased intervals between pregnancies may have been caused by the implementation of public policies on family planning in the last decades and an increase in the autonomy of the women over their own reproductive health. 24 The univariate and multivariate analyses revealed a statistically significant association between the number of prenatal visits and birth intervals, whereby mothers who had at least 6 visits had 58% less chance of having long birth intervals.…”

Section: Discussionmentioning

confidence: 99%

Factors Associated with Inadequate Birth Intervals in the BRISA Birth Cohort, Brazil

Barbosa

Alves

Nathasje

et al. 2020

Rev Bras Ginecol Obstet

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Objective To determine the prevalence of inadequate birth interval and its associated factors in the BRISA study. Methods Cross-sectional study using data from the BRISA cohort. Birth interval was categorized into “adequate” (≥ 2 years or < 5 years between births), “short interval” (< 2 years) and “long interval” (≥ 5 years). The analysis of the factors associated with short and long birth intervals used multinomial logistic regression. Results The prevalence of adequate birth intervals was 48.3%, of long intervals, 34.6%, and of short intervals, 17.1%. Skin color, age, education level, economic status, type of delivery, number of prenatal visits, parity, blood pressure, diabetes, and anemia (p-value was < 0.2 in the univariate analysis) proceeded to the final model. The variable ≥ 3 births (odds ratio [OR] = 1.29; confidence interval [CI]: 1.01–1.65) was associated with short intervals. Age < 20 years old (OR = 0.48; CI: 0.02–0.12) or ≥ 35 years old (OR = 2.43; CI: 1.82–3.25), ≥ 6 prenatal visits (OR = 0.58; CI: 0.47–0.72), ≥ 3 births (OR = 0.59; CI: 0.49–0.73), and gestational diabetes (OR = 0.38; CI: 0.20–0.75) were associated with long intervals. Conclusion Older mothers were more likely to have long birth intervals, and higher parity increases the chances of short birth intervals. Furthermore, gestational diabetes and adequate prenatal care presented higher chances of having adequate birth intervals, indicating that health assistance during pregnancy is important to encourage an adequate interval between gestations.

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“…This may also be the reason for increased risk of preterm birth and low birth weight in our study. Other possible explanations for increased risk of preterm birth and low birth weight after short IPI could be due to the recurrence of these outcomes, preeclampsia or interaction of prior pregnancy outcomes and IPI [ 30 , 31 ]. As shown in sub-analysis, previous pregnancy outcome to some extent has an influence on IPI which may also explain the observed relationship.…”

Section: Discussionmentioning

confidence: 99%

Effect of interpregnancy interval on adverse pregnancy outcomes in northern Tanzania: a registry-based retrospective cohort study

Mahande

Obure

2016

BMC Pregnancy Childbirth

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BackgroundBoth short and long interpregnancy intervals have been associated with an increased risk of adverse pregnancy outcomes. There is limited information about the impact of interpregnancy interval on pregnancy (IPI) outcomes in Tanzania. The objective of this study was to assess the effect of IPI on adverse pregnancy outcomes.MethodsWe performed a retrospective cohort study using maternally-linked data from Kilimanjaro Christian Medical Centre (KCMC) birth registry. A total of 17,030 singlet births from women who delivered singleton infant at KCMC from 2000 to 2010 were studied. Women with multi-fetal gestations and those who were referred from rural areas for various medical reasons were excluded. Outcome variables were preterm birth, low birth weight infants and perinatal death. A multiple logistic regression was used to assess the association between IPI and pregnancy outcomes.ResultsThe median IPI was 36 months. Compared with IPIs of 24–36 months (referent group), short interpregnancy intervals (<24 months) was associated with preterm delivery (OR 1 · 52; 95 % CI 1.31–1.74); low birth weight (OR 1 · 61; 95 % CI 1 · 34–1.72) and perinatal death, (OR 1 · 63; 95 % CI 1.22–1.91). The IPI of 37–59 months or longer were also associated with higher risks of preterm birth and low birth weight, but not with perinatal death.ConclusionsOur study confirmed that both short and long IPI are independent risk factors for adverse pregnancy outcomes. These finding emphasize the importance of providing support for family planning programs which will support optimal IPI and improve pregnancy outcomes.

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The impact of the interpregnancy interval on birth weight and other pregnancy outcomes

Cited by 25 publications

References 21 publications

Low birth weight and its associated factors in Ethiopia: a systematic review and meta-analysis

Low birth weight and its associated factors in Ethiopia: a systematic review and meta-analysis

Factors Associated with Inadequate Birth Intervals in the BRISA Birth Cohort, Brazil

Effect of interpregnancy interval on adverse pregnancy outcomes in northern Tanzania: a registry-based retrospective cohort study

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