Category: Health Services

If you are starting IVF treatment you need to know about day 21 fertility testing, it is an essential part of the IVF process. Day 21 fertility test to check the levels of progesterone your body is producing. It is called the Day 21 Test as it is completed on the 21st day of your menstrual cycle. Day 21 fertility testing is right for those who are concerned about their fertility.