摘要:AbstractPublic policies have an important role in stimulating the birth. Due to society modernisation, Europeans are increasingly less interested in having children. Therefore, decisions on fertility must allow cross-fertility with labour market participation and not addressing them separately (Francesconi, 2002; Del Boca, 2002; Apps and Rees, 2004; Laroque and Salanie, 2005). Researches on women labour participation, mostly empirical studies, emphasize the negative effect of fertility rates in diminishing the labour supply. Thus, a study with married couples from Bucharest County, Romania was conducted. The main objective was to assess the reproductive behaviour for the married couples. The methodology consists on a Computer Assisted Telephonic Interviews questionnaire, developed by authors. The sample size was of 201 respondents aged 25-39 years. Data was processed on unweight database, using SPSS 19.0. The case-study results show that in the decision to have a child, wage and the overall income are the most important determinants.