References
- Adadevoh S. W., Agble T. K., Hobbs C., Elkins T. E. Menarcheal age in Ghanaian school girls. International Journal of Gynaecology and Obstetrics 1989; 30: 63–68
- Albright D. L., Voda A. M., Smolensky M. H., Hsi B. P., Decker M. Seasonal characteristics of and age at menarche. Progress in Clinical Biological Research 1990; 341A: 709–720
- Alleyne S. I., Grant M., Peart B. B., Satchell A., Williams N. Menarcheal age among girls attending schools in urban and rural Jamaica. West Indies Medical Journal 1980; 29: 254–260
- Billewicz W. Z., Fellowes H. M., Thomson A. M. Menarche in Newcastle upon Tyne girls. Annals of Human Biology 1981; 8: 313–320
- Burrell R. J. W., Healy M. J. R., Tanner J. M. Age at menarche in South African Bantu school girls living in the Transkei Reserve. Human Biology 1961; 33: 250–261
- Dewhurst J. The physiology of puberty in the female. Clinical Reproductive Endocrinology, R. P. Shearman. Churchill Livingstone, Edinburgh 1985; 38–45
- Emmanuel O. The age of menarche in Nigerian girls. Nigerian Medical Journal 1975; 5: 73–76
- Fakeye O. The inter-relationship between age, physical measurements and body composition at menarche in School girls at Ilorin, Nigeria. International Journal of Gynaecology and Obstetrics 1985; 23: 55-–5
- International Statistical Institute. The Egyptian Ferility Survey. Fertility and Family Planning. International Statistical Institute, London 1980; Volume II: 65
- Marshal W. A., Tanner J. M. Variation in the pattern of pubertal changes in girls. Archives of Diseases in Childhood 1969; 44: 291–303
- Makinde O. O., Nganwuchu A. M., Dare F. O., Ogunniyi S. O. Biophysical correlates of the menarche in a mixed Nigerian population. Journal of Obstetrics and Gynaecology 1991; 11: 55–58
- Modebe O. The effect of homozygous sickle cell disease on the age at menarche in Nigerian school girls. Annals of Human Biology 1987; 14: 181–185
- Oduntan S. O., Ayeni O., Kale O. O. The age of menarche in Nigerian girls. Annals of Human Biology 1976; 3: 269–274
- Rehan N. E., Tafida D. S. Birth weight of Hausa infants in northern Nigeria. British Journal of Obstetrics and Gynaecology 1979; 86: 443–449
- Rehan N., Tafida D. S. Multiple births in Hausa women. British Journal of Obstetrics and Gynaecology 1980; 87: 997–1004
- Rehan N. E. Sex ratio of live-born Hausa infants. British Journal of Obstetrics and Gynaecology 1982; 89: 136–141
- Roberts D. F., Danskin M. J., Chinn S. Menarcheal age in Northumberland. Acta Paediatrica Scandinavica 1975; 64: 845–852
- Sogbanmu M. O., Aregbesola Y. A. Menarchal age in Nigerian school girls: its relationship to their height, weight and menstrual profile. International Journal of Gynaecology and Obstetrics 1979; 16: 339–340
- Ulijaszek S. J., Evans E., Miller D. S. Age at menarche of European, Afro-Caribbean and Indo-Pakistani school girls living in London. Annals of Human Biology 1991; 18: 167–175
- Wright E. A. Menarche in Pleateu state. West African Journal of Medicine 1990; 9: 204–207