A noninvasive approach using leftover culture media could help doctors better predict success of in-vitro-fertilization

In-vitro-fertilization (IVF), a fertility treatment that involves fertilizing eggs in the laboratory and later implanting them in the uterus, has been a source of hope for many people struggling to conceive. However, the multi-step process is complex, and the overall live birth rate after IVF treatment is only 20-40% in females younger than 40 in the United States. One of the reasons for this low success rate is that it’s very difficult for doctors to determine which lab-grown embryos are most likely to result in a successful pregnancy, so many people seeking IVF must go through multiple rounds of treatment.