This can also be called small-for gestational age (SGA) or fetal growth restriction. There are basically two different types of IUGR: Symmetric or primary IUGR is characterized by all internal organs being reduced in size. Symmetric IUGR accounts for 20% to 25% of all cases of IUGR.
Fragile X syndrome (FXS), also known as MartinâBell syndrome, or Escalante's syndrome (more commonly used in South American countries), is a genetic syndrome.
Cardiac syndrome X is angina (chest pain) with signs associated with decreased blood flow to heart tissue but with normal coronary arteries.Cardiac syndrome X is sometimes referred to as microvascular angina when there are findings of microvascular dysfunction.Some studies have found increased risk of other vasospastic disorders in cardiac syndrome X patients, such as migraine and Raynaud's phenomenon.ardiac syndrome X is angina (chest pain) with signs associated with decreased blood flow to heart tissue but with normal coronary arteries.