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.
Fragile X Syndrome is a hereditary condition that can cause learning problems ranging from subtle learning disabilities and a normal IQ, to severe intellectual disabilities and autism. Individuals with Fragile X Syndrome may also have physical and behavioral disorders, and speech and language delays.