Lower back pain in women can stem from menstrual cycle-related conditions like premenstrual syndrome (PMS), premenstrual dysphoric disorder (PMDD), endometriosis, or dysmenorrhea, as well as pregnancy ...

Prolonged menstrual bleeding may be a side effect of certain medications or caused by hormonal fluctuations. No two menstrual periods are exactly the same. Some last one day, while others last a week.

You may view your hard drive in Disk Management and see unallocated space. The space will be on the hard drive, but Windows cannot use it. It is like having a spare room in your house but locked off.