You should be drinking half your body weight in ounces of water everyday. You need water to maintain normal brain function and nourish your muscles. Plus it helps make you feel full when dieting. All sound nutrition advice.
Research behind Delayed Cord Clamping - baby receives of its blood and stem cells from the placenta during this time, as well as enough iron stores to last it months. This article also debunks many immediate cord clamping myths.
My normal flow by volume during menstruation is a cup for three days and half that for four to seven more days until complete. This happens for 3 months out of the year. During that time I am often weak, too weak to argue, usually and less prone to annoy anyone but myself. That means that the remaining 9 months out of the year I am replenishing my blood volume. If I am argumentative and moody, most likely I am NOT on my period.