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Baird, D.D., McConnaughey, D.R., McConnaughey, C.R., Musey, P.I., Collins, D.C., Kesner, J.S., Knecht, E.A. and Wilcox, A.J. (1995) Application of a Method for Estimating Day of Ovulation Using Urinary Estrogen and Progesterone Metabolites. Epidemiology, 6, 547-550.
https://doi.org/10.1097/00001648-199509000-00015

has been cited by the following article:

• TITLE: Modelling of Pre-Sex Selection: An Effective Method for Family Planning and Control of Overpopulation

  AUTHORS: Harrison O. Amuji, Cecilia N. Aronu, Obioma G. Onukwube, Chinemerem Igboanusi

  KEYWORDS: Sex Determination, Ovulation, Safe Period, Interval Estimator, Dispersion Matrix

  JOURNAL NAME: Open Journal of Optimization, Vol.10 No.2, June 17, 2021

  ABSTRACT: Every couple would want to have balanced sex of babies and a given number of children. But in reality, most couples do not achieve it. Some end up bearing particular sex of baby, this has caused a lot of pressure and untold hardship for couples. In Nigeria, the preference for a son is so strong that any family that does not have a son does not belong. The reason for the preference is mainly for economic and continuation of family lineage. Inability to bear the desired sex of a baby makes couples bear more children than they could cater for. This has caused poverty, overpopulation and reduces life expectancy for many families in Nigeria. In this paper, we have developed a model that will help couples select the desired sex of their babies and avoid unwanted pregnancies. The method is easy to apply whether educated or not. The application of the method will help to reduce family-based violence due to imbalanced sex of babies.