Ulnar nerve: Is responsible for abduction (spreading your fingers and extension of the 4-5th fingers. It also provides sensation to that area if you have a lesion in the nerve the signal from the nerve will not get to those muscles. ...Read more.
Changes in Feedings. If you do get your period while breast-feeding, you might notice other unexpected changes too. You might find, for instance, that your baby isnât as interested in feeding times, and will actually eat less during your period. This is thought to be related to taste changes in the milk.
As with alcohol, it's best to limit the amount of caffeine you consume while breastfeeding. One or two cups of coffee a day are fine, but more than one or two servings of caffeine per day may affect your baby's mood and/or sleep.