Most IVF 'add-ons' show little evidence of boosting births, researchers find (opens in new tab)

There is a lack of evidence to suggest the majority of in vitro fertilization (IVF) add-ons improve fertility in patients undergoing IVF, according to a systematic review and meta-analysis published in The Lancet Obstetrics, Gynaecology, & Women's Health. There is weak evidence for some possible benefit from three IVF add-ons: EmbryoGlue, endometrial scratching and physiological intracytoplasmic sperm injection.