One reason an IVF cycle fails. When we are defining failure as having no pregnancy at the end of the fertility treatment cycle, it's any IVF cycle that does not create a viable pregnancy. It's a hard term, failure. But the measure of success in a fertility treatment cycle is an on-going, healthy pregnancy, so unfortunately the term failure fits better than we would like.
Why Does an IVF Cycle Fail?
There are many benchmarks that can be pointed to as the reason that an IVF cycle does not work. Medication stimulation may not be effective and no eggs are produced or are able to be retrieved. Eggs are retrieved and do not fertilize. Male factor may play it's part and there are not healthy enough sperm to make embryos. The embryo cells may not continue to divide and so the embryo is not able to be transferred back to the uterus. These are just among a few of the reasons that a pregnancy does not occur or is not sustained.
Aneuploidy - A Cause of an Unsuccessful IVF Cycle
One thing that is understood to be one of the most common reasons for IVF failure and early miscarriage, is aneuploidy.
Aneuploidy is the term used to describe any embryo with either too many or too few chromosomes. Most people are not aware that aneuploidy is the cause of greater than 60% of miscarriages, as well as the most likely reason that patients do not get pregnant from an in-vitro fertilization (IVF) cycle.
Euploidy describes an embryo with the correct amount of chromosomes.
Pre genetic screening genetic screening is a valuable tool that is used to check for the efficacy of an embryo. Ask your fertility doctor (board certified Reproductive Endocrinologist) about whether that would be a helpful step for you in building your family.