The baby close contact with the body of their parents is very important, especially in the first months of life. Backpacks are a very comfortable and safe device for parents to do all sorts of outings and walks with his baby in arms, Without having to give up a full, direct contact with the child.

1. The weight of the babies. The backpacks are designed to carry your baby from birth. It is advisable to carry babies under 3.5 kilos or more than two kilos (from when parents do not show muscle fatigue).
2. Affective exchange between parents and baby. Both the baby and his mother or father, can benefit sensory and affective exchange.
3. Position the baby in the backpack. The best position to bring the baby is looking at his parents, at least in the first 6 months. Babies can be placed facing forward when the backpack is properly designed for it and when the baby is older than 6 months of age or when muscle power to acquire hold head and keep the trunk securely.
4. The backpack and hip dysplasia in infants. Baby carriers not conducive to the emergence of hip dysplasia in infants. In contrast, a backpack may have protective effect of hip dysplasia. Its design allows free movement of the joints of the legs and hips, which promotes proper nutrition of articular cartilage.
5. Choosing a backpack baby carrier. When buying a sling, parents should choose a backpack safe, convenient, easy to apply and removeWith adequate support and position, avoiding compression zones or strips that could cause injury to the baby. The shoulder straps should be wide and padded, adjustable and measure an appropriate tissue for each temperature. The backpack should have proper support for the carrier, which allows properly distribute the weight and prevent muscle fatigue. Must be made of a breathable and washable.
6. Backpack carrier for twins. It is not advisable to use a double portage considerably by limiting contact between the carrier and the baby. A good backpack should spread the load on both shoulders, back and hips of the carrier, and this is achieved adequately to carry one baby. The double portaging overweight can cause musculoskeletal injuries in the father or the mother.