Gorchev G, Milkov V, Tanchev S, Popov I
Akush Ginekol (Sofiia). 1992;31(2):27-8.
The authors study the plasma levels of E2 and progesterone in 62 women with EC. Parallelly the ER and PR in the same number of cases have been studied. The values of E2 in the plasma of ER+ are much lower than those of E2 in ER-. The quantity of E2 and progesterone influence the values of ER and PR in cancers of women in pre and postmenopausal age. In positive ER and PR patients the level of E2 and progesterone is lower in comparison of ER- and PR-.