A Honor Society of Nursing (STTI) answered. Ovulation usually takes place about halfway through a normal 28-day menstrual cycle. After ovulation, the body produces high levels of the hormones progesterone and estrogen. The hormones thicken the lining of the uterus in anticipation of a fertilized egg. If no fertilization occurs after ovulation, after about 14 days the lining of the uterus is shed to begin menstruation.
Freebase(0.00 / 0 votes)Rate this definition: Safety data sheet. A safety data sheet, material safety data sheet, or product safety data sheet is an important component of product stewardship and occupational safety and health.
Date of Issue: July 2011. Important Notice This Material Safety Data Sheet (MSDS) is written by Wesbeam Pty Ltd in accordance with. Worksafe Australia Guidelines. As such, the information contained herein must not be. altered, deleted or added to. Wesbeam will issue a new MSDS when there is a change in.