Issues in the etiology of recurrent spontaneous abortion

Recurrent spontaneous abortion is seen often. Although many causes of this condition have been identified, there is still a large proportion in which no cause can be found. This review highlights some of the newly described proposed causes. Several reports have linked reproductive inefficiency to hypersecretion of luteinizing hormone (LH) in the follicular phase. It is apparent that the presence of inappropriate elevation of LH, and not the …