Puppies, though, are sexually capable after few months of age and can (and do) produce puppies while still growing themselves. (breedingbusiness.com)
Anywhere from the first few months of age, through their first year of age, babies are often teething. (thespruce.com)
You can wear your baby in five different positions in this baby sling, and although it's not intended for use with newborns or preemies, you can use it from just a few months of age with no trouble. (abckidsinc.com)