If you mean aerial drones, some number more than 670,000 UAVs have been registered by the FAA. It has been estimated that something like 1 million will be flying by the New Year 2018. I guess that some 50 industries use drones with something like 30,000+ women and men learning to be commercial, etc pilots.
Amenorrhea is the medical term for the absence of menstruation. âSecondaryâ refers to menstruation that has occurred at least once but has stopped, typically for six months or longer. This is different from primary amenorrhea, a condition in which a woman does not have her first period by the age of 16.
Amenorrhea. A long menstrual cycle could refer to an extended period of time between bouts of bleeding. Amenorrhea is the absence of periods for more than 60 days. It usually occurs during pregnancy and breastfeeding, but it can also occur at other times in a woman's life.Menorrhagia. This is the occurrence of an abnormally long or heavy period.he average menstrual cycle lasts between 21 and 35 days, with three to five days of bleeding. However, âregularâ is a subjective term, and what is normal for one woman is often abnormal for another.