In the formal sector, it seems evident that the main conclusion is as shown in table 6: mothers do not appear to experience wage penalties. In the infonnal sector, the largest motherhood penalty is found among mothers of three or more children, since the estimated predicted natural log of the hourly wage difference is significant and is eqtral to 0.32. About 47% is explained by differences in endowments, while 53% of the decomposition is unexplained.