Intrauterine or oral administration of levonorgestrel in combination with estradiol to perimenopausal women--effects on lipid metabolism during 12 months of treatment
OBJECTIVE: Limited data concerning serum lipids and lipoproteins are available on the effect of HRT in perimenopausal women, who commonly have marked bleeding disturbances and may have severe climacteric symptoms. Almost all previously published data have utilized a simplified form of lipoprotein analysis, which includes an estimation and not a determination of LDL cholesterol. To delineate the ro
