Controlled Ovarian Hyperstimulation. Using fertility medications to stimulate the growth of multiple follicles for ovulation. Also called Superovulation.

Controlled ovarian hyperstimulation. Pharmacologic stimulation of the ovaries, generally with gonadotropins and/or clomiphene citrate, with the objective of stimulating the development of multiple follicles and hence retrieval of multiple eggs.

See controlled ovarian hyperstimulation.

coefficient of haze reported as SP

Coefficient of Haze. a measurement of the quantity of dust and smoke in the atmosphere in a theoretical 1000 linear feet of air. A COH of less than 1 is considered clean air and more than 3 is considered dirty air

Coefficient of haze. A measurement of visibility interference in the atmosphere.

Call of Hero - Used in Everquest to teleport a player at your standing location, also the initials of an MMORPG - City of Heroes.

cut out hole