Comprehensive Chromosome Screening (CCS) is a technique that allows selection of the healthiest from a group of embryos. After in vitro fertilization, a few cells from each embryo are sent to the genetics lab and chromosomes are counted.
Shortness of breath has many causes affecting either the breathing passages and lungs or the heart or blood vessels. An average 150-pound (70 kilogram) adult will breath at an average rate of 14 breaths per minute at rest.Excessively rapid breathing is referred to as hyperventilation.hortness of breath has many causes affecting either the breathing passages and lungs or the heart or blood vessels. An average 150-pound (70 kilogram) adult will breath at an average rate of 14 breaths per minute at rest.
Your breathing and your heart pumping blood effectively are very closely related. Your heart pumps blood so it can circulate to your tissues as well as get oxygen from your lungs. If your heart canât pump blood well (as is the case with a heart attack), you can feel short of breath. Shortness of breath can sometimes be an accompanying symptom to unusual fatigue in women. For example, some women report they would get unusually short of breath and tired for the activity they were performing.