From the Menstrual Period to Ovulation (the details you may not know!) When your menstrual cycle begins, your estrogen levels are low. Your hypothalamus (which is in charge of maintaining your hormone levels) sends out a message to your pituitary gland which then sends out the follicle stimulating hormone (FSH).
Medical Definition of SEASICKNESS. : motion sickness experienced on the waterâcalled also mal de mer.
breakableness - the consistency of something that breaks under pressure. unbreakableness - a consistency of something that does not break under pressure. porosity, porousness - the property of being porous; being able to absorb fluids. solidity, solidness - the consistency of a solid.