We have know for years that being overweight can affect fertility and lower success rates for infertility treatments such as IVF. Some centers have even set weight limits on IVF treatment for this reason. However, it wasn't clear if being overweight was harming the eggs or making the uterus less receptive to pregnancy. A recent study from Spain found that overweight patients had lower pregnancy rates even when they got eggs from a normal weight woman, meaning that this effect is due at least in part to a problem with the uterus. The take home lesson: weight loss may improve your chances of having a baby even with donor eggs. For more information from Dr. Sanjay Gupta's Guide, click here
For many years, people would talk to their plants to try to make them to grow better. In a new twist on this same idea, IVF researchers in Spain fertilized eggs (using ICSI) and cultured half of the eggs with music and half without. It turns out that the eggs exposed to music were more likely to fertilize. Click here for more.