Hormonal changes as a cause for period blood clots. The menstruation cycle can be affected by fluctuations of the hormones progesterone and estrogen. These hormones control how the body sheds the lining of the uterus. When these hormones get out of balance, the wall of the uterus can become very thick.
ISO 9001 is the title of a document (Standard) that outlines the requirements an organization must maintain in their quality system for ISO 9001 certification. There are several different documents in the ISO 9000 family of standards, but ISO 9001-2008 is the only ISO standard that requires certification..
ISO 27001 is part of the ISO 2700 standards series and is the specification for Information Security Management System (ISMS). Published in 2005 by the International Organisation for Standardisation (ISO) and International Electro-technical Commission (IEC), it was formally known as ISO/IEC 27001:2005.