plasma levels of oestradiol-17beta , progesterone and luteinizing hormone ( lh ) and pituitary levels of lh have been measured during the first 6 days of pregnancy , in normal rats and in rats receiving two doses of tamoxifen ( trans-1- ( rho-beta dimethylamino-ethoxyphenyl ) -1-2-diphenylbut-1-ene ) on day 2 of pregnancy .
C0039286
tamoxifen
C0032961
pregnancy