Second to fourth (2D:4D) digit ratio and their relationships among a mother and child population in Ghana

Abstract The study aimed to determine the relationship between digit ratios among a mother–child population in Ghana. This was a cross-sectional study from December 2020 to April 2021 involving 272 mothers, their daughters (n = 132) and their sons (n = 140). The right (2D:4DR) and the left (2D:4DL)...

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Autores principales:	Moses Banyeh, Nafiu Amidu, Lawrence Quaye
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ab82632bcdcc43ae95665292460d4d78
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spelling	oai:doaj.org-article:ab82632bcdcc43ae95665292460d4d782021-12-02T18:02:44ZSecond to fourth (2D:4D) digit ratio and their relationships among a mother and child population in Ghana10.1038/s41598-021-92358-x2045-2322https://doaj.org/article/ab82632bcdcc43ae95665292460d4d782021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-92358-xhttps://doaj.org/toc/2045-2322Abstract The study aimed to determine the relationship between digit ratios among a mother–child population in Ghana. This was a cross-sectional study from December 2020 to April 2021 involving 272 mothers, their daughters (n = 132) and their sons (n = 140). The right (2D:4DR) and the left (2D:4DL) digit ratios were measured using computer-assisted analysis. The data were analysed in SPSS (v23) and GraphPad Prism (v8) at an alpha value of 0.05. The mean ± SD age of the mothers was 23.9 ± 3.67 years while the median (IQR) age of daughters was 116(54–240) days and sons, 134(54–240) days. The mean ± SD 2D:4DR were 0.94 ± 0.04, 0.91 ± 0.04 and 0.90 ± 0.04 respectively for mothers, daughters and sons. The mean ± SD 2D:4DL was 0.93 ± 0.04, for mothers, 0.92 ± 0.05 for daughters and 0.92 ± 0.05 for sons. The daughters and sons showed leftward asymmetry while the mothers showed rightward asymmetry in digit ratios. The 2D:4DR of sons was significantly lower than daughters (P = 0.031). There were negative correlations between the 2D:4DL and age of daughters (r = −0.182, P = 0.043) and sons (r = −0.221, P = 0.012). The 2D:4DR of mothers was positively correlated with that of daughters (r = 0.332, P = 0.000) and that of sons (r = 0.233, P = 0.008). There are significant relationships between digit ratios in a mother–child population.Moses BanyehNafiu AmiduLawrence QuayeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Moses Banyeh Nafiu Amidu Lawrence Quaye Second to fourth (2D:4D) digit ratio and their relationships among a mother and child population in Ghana
description	Abstract The study aimed to determine the relationship between digit ratios among a mother–child population in Ghana. This was a cross-sectional study from December 2020 to April 2021 involving 272 mothers, their daughters (n = 132) and their sons (n = 140). The right (2D:4DR) and the left (2D:4DL) digit ratios were measured using computer-assisted analysis. The data were analysed in SPSS (v23) and GraphPad Prism (v8) at an alpha value of 0.05. The mean ± SD age of the mothers was 23.9 ± 3.67 years while the median (IQR) age of daughters was 116(54–240) days and sons, 134(54–240) days. The mean ± SD 2D:4DR were 0.94 ± 0.04, 0.91 ± 0.04 and 0.90 ± 0.04 respectively for mothers, daughters and sons. The mean ± SD 2D:4DL was 0.93 ± 0.04, for mothers, 0.92 ± 0.05 for daughters and 0.92 ± 0.05 for sons. The daughters and sons showed leftward asymmetry while the mothers showed rightward asymmetry in digit ratios. The 2D:4DR of sons was significantly lower than daughters (P = 0.031). There were negative correlations between the 2D:4DL and age of daughters (r = −0.182, P = 0.043) and sons (r = −0.221, P = 0.012). The 2D:4DR of mothers was positively correlated with that of daughters (r = 0.332, P = 0.000) and that of sons (r = 0.233, P = 0.008). There are significant relationships between digit ratios in a mother–child population.
format	article
author	Moses Banyeh Nafiu Amidu Lawrence Quaye
author_facet	Moses Banyeh Nafiu Amidu Lawrence Quaye
author_sort	Moses Banyeh
title	Second to fourth (2D:4D) digit ratio and their relationships among a mother and child population in Ghana
title_short	Second to fourth (2D:4D) digit ratio and their relationships among a mother and child population in Ghana
title_full	Second to fourth (2D:4D) digit ratio and their relationships among a mother and child population in Ghana
title_fullStr	Second to fourth (2D:4D) digit ratio and their relationships among a mother and child population in Ghana
title_full_unstemmed	Second to fourth (2D:4D) digit ratio and their relationships among a mother and child population in Ghana
title_sort	second to fourth (2d:4d) digit ratio and their relationships among a mother and child population in ghana
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/ab82632bcdcc43ae95665292460d4d78
work_keys_str_mv	AT mosesbanyeh secondtofourth2d4ddigitratioandtheirrelationshipsamongamotherandchildpopulationinghana AT nafiuamidu secondtofourth2d4ddigitratioandtheirrelationshipsamongamotherandchildpopulationinghana AT lawrencequaye secondtofourth2d4ddigitratioandtheirrelationshipsamongamotherandchildpopulationinghana
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Second to fourth (2D:4D) digit ratio and their relationships among a mother and child population in Ghana

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