Which layer of the uterus varies according to the monthly reproductive cycle?

functional   layer  of  the uterus varies in thickening according  to  monthly  reproductive  cycle.  The monthly  reproductive  cycle  is known cycle is  known  as uterine  cycle.  The    functional layer  is  the   inner  layer  of  endometrium  and it  varies  in   thickening  in  the  non  pregnant  woman

The basic repeating unit of nucleic acids are known as nucleotides. a nucleotide consists of three distinct chemical groups.