Oral contraceptives and cognition: A role for XXXX .

@entity172 @entity1 @entity2082 @entity6862 @entity53 @entity717 @entity7280
This article is part of a Special Issue " @entity53 and cognition". @entity172 have been seen to play a role in @entity1 cognitive abilities, but questions remain about the cognitive impact of @entity2082 , which is contained in many @entity7280 ( @entity6862 ). Inconsistencies in past studies likely reflect small samples and heterogeneous groups of OC users. The aims of the present work were to examine OC effects on sex-typed spatial and verbal abilities by (a) comparing @entity717 and expressional fluency in normally-cycling (NC) @entity1 and @entity1 to OC users considered as a heterogeneous group and then to homogeneous groups of OC users created by classifying pills according to their active constituents, and (b) determining the relation between synthetic hormone doses in @entity6862 and @entity717 and expressional fluency. @entity1 were 136 @entity1 , 93 NC @entity1 , and 148 OC users, including homogeneous monophasic (n = 55) and triphasic (n = 43) OC groups, aged 18 to 30 years. Significant effects of OC use were seen in homogeneous group comparisons but not when OC users were considered as a heterogeneous group. On @entity717 , @entity1 outperformed @entity1 , and monophasic OC users outperformed NC @entity1 . The latter difference may be attributable to @entity53 , as @entity2082 was inversely related to spatial ability among OC users and was lower in monophasic than in triphasic users. On expressional fluency, NC @entity1 and monophasic OC users outperformed @entity1 , and monophasic users outperformed triphasic users. Thus, results show the importance of @entity2082 and of considering pill constituents when studying the cognitive effects of @entity6862 .
