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prog
prog.
progenitor
progeny
progeria
progestational
progesterone
progestin
progestogen
proglottid
prognathous
prognosis
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prograde
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program director
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progestogen

pro·ges·to·gen [ prō jéstəjən ]


noun 
Definition:
 
hormone similar to progesterone: a steroid hormone or agent having effects similar to those of progesterone, or progesterone itself

[Mid-20th century. <pro-1 + gestation + -gen]
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