Answer:
A common practice among Mexican women is los dos.
Explanation:
The most common practice of the Mexican women is the los dos method of breast feeding. In this method, it is combined method of providing commercial infant formula and breastfeeding. It is generally believed that by using this method, both the mother as well as the infant benefits by the additional vitamins of the infant formula.
Thus the answer is "A common practice among Mexican women is los dos."