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.
Next Steps and Warnings. There are many causes of shortness of breath and relatively few of them are related to LPR. Shortness of breath can indicate a serious underlying medical condition, such as pneumonia, heart attack or heart failure and should be evaluated by a doctor.