Early pregnancy factor (EPF) or early conception factor (ECF) is a protein associated with mammalian embryos shortly after fertilization. It may be composed of more than one molecule. It was first described in 1976.
Read more about Early Pregnancy Factor: Detection, Origin and Function
Famous quotes containing the words early, pregnancy and/or factor:
“An early dew woos the half-opened flowers”
—Unknown. The Thousand and One Nights.
AWP. Anthology of World Poetry, An. Mark Van Doren, ed. (Rev. and enl. Ed., 1936)
“It is now quite lawful for a Catholic woman to avoid pregnancy by a resort to mathematics, though she is still forbidden to resort to physics and chemistry.”
—H.L. (Henry Lewis)
“It is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.... This, in turn, means that our statesmen, our businessmen, our everyman must take on a science fictional way of thinking.”
—Isaac Asimov (1920–1992)