I've seen variations of this article in the news a few times over the last months about how in older women, triggering earlier (16 mm) may produce better quality embryos than triggering at typical size (18-20 mm):
http://www.nydailynews.com/life-style/health/early-egg-retrieval-boost-rates-ivf-success-article-1.2322915
Has anyone heard of this or brought it up with their doctor? Has anyone tried this after the conventional approach and had better results?