Twin gestations after fertility treatments are associated significantly with older age, higher prematurity rate, cesarean delivery, and more obstetric complications when compared with those conceived spontaneously.
Among couples previously treated by IVF, one in five has a live birth following a spontaneous pregnancy. This should give hope to unsuccessfully treated couples, especially young couples with unexplained infertility.
This retrospective longitudinal study of U.S. assisted reproductive technology clinics found no association between clinic success rates and cycle volume despite public reporting and patient utilization of clinic performance data.
Therapy with 2.5 mg letrozole or 1 mg anastrazole daily, in cases of infertile men with low T/E2 ratios, leads to a significant increase of T/E2 ratio, ejaculate volume, sperm motility, and total motile sperm count.
Assessing complete AZFa deletion is important in azoospermic men, but routine assessment of either USP9Y or DDX3Y microdeletions is unjustified, owing to their rarity and inconsistent impact on spermatogenesis.
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