Age at menarche and body mass index (BMI) among adolescent secondary school girls in Port Harcourt, Nigeria

Adesina, Adesuwa F

doi:10.9790/0853-0354146

Cited by 9 publications

(15 citation statements)

References 21 publications

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“…We also observed no significant difference in the mean ages at menarche between the normal, overweight and obese participants. These mean values were similar to those observed in other studies conducted in the same geographical location as ours [6], and even other countries [4,20], but dissimilar to that observed among school girls in the Northern region of the same country as ours [5]. These disparities could be attributed to several factors such as genetic [30], environmental, socioeconomic, nutritional and hormonal factors [31][32][33].…”

Section: Discussionsupporting

confidence: 75%

“…It is indeed the most symbolic and easily recalled event in the entire pubertal period [1][2]. The average age at menarche ranges from 12 -15 years among different populations [3][4][5][6][7] and is a sensitive marker of various population indices including diet patterns, socioeconomic status, geographical location and environmental conditions [8][9].…”

Section: Introductionmentioning

confidence: 99%

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Body Mass Index Influences the Age at Menarche and Duration of Menstrual Cycle

Osayande¹

2014

AJHR

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Abstract:The changing trends in the prevalence of childhood obesity, early puberty and menarche, and ethnoracial differences in the effect of BMI on the reproductive characteristics of young females around the world, warrants continuous evaluation. Hence, this study aims to investigate possible variations in the influence of BMI on the age at menarche as well as duration of menstrual cycle and menses in young girls in two urban areas in southern Nigeria. Participants (n = 52; median age = 20 years) were classified into 3 groups: normal, NM (n = 27; BMI = 21.0 ± 2.0 Kg/m 2 ), overweight, OW (n = 14; BMI = 28.1 ± 1.2 Kg/m 2 ) and obese, OB (n = 11; BMI = 31.5 ± 0.6 Kg/m 2 ). BMI was calculated from the equation; BMI = weight, kg/height, m 2 . Cross-sectional data on menarche and menstrual cycle patterns were obtained through selfadministered questionnaires. Data analysis showed a statistically significant difference in the BMI (p< 0.0001). Though the mean(± SD) ages at menarche were similar (NM = 13.0 ± 1.2 years; OW = 12.9 ± 0.9 years; OB = 13.7 ± 0.9 years)(p> 0.05), the average duration of the menstrual cycle (NM = 27.3 ± 1.4 days; OW = 27.9 ± 0.6 days; OB = 29.4 ± 1.4 days) and menstrual bleeding (NM = 4.4 ± 0.6 days; OW = 4.4 ± 0.8 days; OB = 5.4 ± 0.9 days) differed significantly according to the BMI (p< 0.0001 and p< 0.05 respectively). There was an increase in the average length of the menstrual cycle and menses with increased BMI (r = 0.52, 95% CI = 0.28 -0.69, p< 0.0001) and (r = 0.38, 95% CI = 0.12 -0.59, p< 0.05) respectively. However, the correlation between BMI and age at menarche was weak (r = 0.25, 95% CI = -0.02 -0.49, p> 0.05); and the average duration of the menstrual cycle tend to decrease with older menarcheal age, though this was not statistically significant p> 0.05). Girls with higher BMI experience longer menstrual cycle and menses compared to their normal weight counterparts. The effect of BMI on age at menarche and the relationship between early onset of menarche and the duration of menstrual cycles and menses later in life may not be causal. Further investigations may resolve these differences in relation to the reproductive characteristics of young females.

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Section: Discussionsupporting

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Body Mass Index Influences the Age at Menarche and Duration of Menstrual Cycle

Osayande¹

2014

AJHR

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“…Studies showed that age at menarche is significantly associated with BMI and height of the girl. Those who have higher BMI are more likely to have menarche at lower ages [ 32 – 34 ]. On the other hand, those who are thin are more likely to have delayed menarche [ 32 – 34 ].…”

Section: Discussionmentioning

confidence: 99%

Double Burden of Malnutrition among Female Adolescent Students in Bahir Dar City, Amhara, Ethiopia

Taklual

Baye

Mekie

et al. 2020

BioMed Research International

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Background. Globally, nearly a third of the population suffers from at least one form of malnutrition. Both over- and undernutrition are a growing concern in developing countries particularly among female adolescents. This study was aimed at assessing nutritional status and associated factors among female adolescents in secondary schools of Bahir Dar City, Amhara, Ethiopia, 2019. Methods. A school-based cross-sectional study was conducted in secondary schools of Bahir Dar City among 682 female adolescent students in 2019. A simple random sampling technique with proportional allocation was used to select study participants. Data were collected using a self-administered questionnaire. Data were entered into Epi Info version 7.1 and analyzed by SPSS version 21. Underweight and overweight statuses of the participants were determined by using the WHO cutoff point. Bivariable and multivariable logistic regressions were used to identify the significance of association at a 95% confidence interval. P value < 0.05 was used to declare statistical significance. Results. In this study, the prevalence of underweight, overweight, and obesity was 15%, 8.4%, and 4.7%, respectively. Female adolescents found between age groups of 14-16.5 years old (AOR: 1.7, 95% CI: 1.03-2.69), family size≥4 (AOR: 2.8, 95% CI: 1.05-4.99), participants who did not eat meat once per week (AOR: 1.6, 95% CI: 1.90-2.82), and no onset of menarche (AOR: 4.4, 95% CI: 1.21-15.75) were found to be more likely underweight. In addition, adolescents with family monthly income above 6500 Ethiopian birr (AOR: 12.7, 95% CI: 2.47-65.62), who ate meat two times and more per week (AOR: 2.07, 95% CI: 1.47-9.14), and who ate fruit at least once a week (AOR: 0.20, 95% CI: 0.05-0.78) were more likely to be overweight compared with counterparts. Conclusion and Recommendation. The prevalence of underweight and overweight was found to be high. Design evidence-based adolescent nutritional intervention shall be emphasized by the government and other concerned bodies to avert the dual burden of malnutrition.

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“…This study is in line with the similar studies conducted wherein similar results were obtained. [16][17][18][19] Thus, it is evident that the BMI is the influencing factor of the age of menarche. Similarly, the regression analysis showed that there is a negative correlation between the waist to height ratio and age of menarche.…”

Section: Discussionmentioning

confidence: 99%

Nutritional status and age of menarche in adolescent girls in urban and rural area schools

Ramamani

Rajendiran

Kannan

2020

Int J Contemp Pediatr

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Background: There are various factors that influences the age of menarche which includes genetic, nutritional status, socioeconomic status and environmental conditions. Further it has also proved that the malnutrition has delayed the age of menarche. Thus, the present study focuses on the study of relation between the nutritional status and age of menarche among the adolescent girls in a rural and urban area in Tamil Nadu, India.Methods: It is a community based cross-sectional study done in the adolescent girls of age between 11 to 15 years studying in school in the city of Chennai, India and surrounding rural areas. A total of 602 post-menarcheal adolescent girls were included in the study. The participants who were post-menarcheal were asked to recall the year and month of menarche and was noted. To assess the nutritional status, the parameters weight, height and waist circumference were determined.Results: The association between the age of menarche and BMI was studied. The study showed that there was an association with a Pearson coefficient (r) value of - 0.252 which is statistically significant (p˂0.001). The association between the age of menarche and waist to height ratio was studied. The study showed that there was an association with a Pearson coefficient (r) value of - 0.261 which is statistically significant (p˂0.001).Conclusions: This study has confirmed that the nutritional status has association with the age of menarche and is the contribution to the reduction in the mean of age of menarche in this geographical area.

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Age at menarche and body mass index (BMI) among adolescent secondary school girls in Port Harcourt, Nigeria

Cited by 9 publications

References 21 publications

Body Mass Index Influences the Age at Menarche and Duration of Menstrual Cycle

Body Mass Index Influences the Age at Menarche and Duration of Menstrual Cycle

Double Burden of Malnutrition among Female Adolescent Students in Bahir Dar City, Amhara, Ethiopia

Nutritional status and age of menarche in adolescent girls in urban and rural area schools

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