Some (lucky) ladies find themselves hotter than ever, with extra blood flowing to all the right spots. (whattoexpect.com)
As soon as my period hits, my sex drive spikes and I find that sensations feel more intense, maybe because of extra blood flow to the area or the extra lubrication. (mindbodygreen.com)
Pregnant women experience an increase in blood volume to provide extra blood flow to the uterus and to meet the metabolic needs of the fetus. (kidshealth.org)