 [ Symptoms ] what i can i use to brighten my elbows they are very dark and they itch sometimes [ Disease ] i do not know how long this person has been trying to conceive but if it has been a year or more of unprotected intercourse attempting to become pregnant it is time for her and her partner to seek the help of a fertility specialist there are dozens of reasons for a couple is failure to conceive size and height may not be playing an important role but general nutrition can be if she is not eating properly or losing weight this can certainly affect fertility