Bilateral pleural effusion in the first trimester: A predictor of chromosomal abnormality and embryonic death?, ,

We describe two cases of Turnerʹs syndrome with transient bilateral pleural effusion demonstrated by transvaginal ultrasonography in the first trimester. Our cases suggest the necessity for close follow-up examination and possibly genetic counseling when pleural effusion is encountered during the first trimester. (Am J Obstet Gynecol 1997;177:470-1.)