Paul Castonguay appeals the district court’s 1 preservice dismissal without prejudice of his pro se 42 U.S.C. § 1983 complaint. Upon careful de novo review, we conclude that the district court did not abuse its discretion in abstaining under Younger v. Harris, 401 U.S. 37, 91 S.Ct. 746, 27 L.Ed.2d 669 (1971), because Cas-tonguay’s complaint sought intervention in state-court adoption proceedings. See Moore v. Sims, 200 F.3d 1170, 1171 (8th Cir. 2000) (per curiam) (standard of review for dismissal); Norwood v. Dickey, 409 F.3d 901, 903 (8th Cir. 2005) (abstention holding reviewed for abuse of discretion). Accordingly, we affirm.