What can cause low sex drive in women?

Sex drive in F. It can be decreased by organic or psychogenic, organic could be from hypothyroidism, or adrenal gland or pituitary galnd insuffeciency, or estrogen hormone defeciency, psychological from depression or secondary to medication like antidepressive meds as ssri and other medications are culprits too.
Many factors. This is a very complex issue but quite common actually. Things such as age, hormones and life stressors like work, home, children and family all play major parts in this. Attention to these stresses along with supplements, some herbal and some hormonal, may help.