Menstrums or Menstruums: How To spell?
The word Menstrums is misspelled against Menstruums, which is plural of "Menstruum"
Menstruums has double "uu" is mispronounced as "u"Remember double 'UU' in between the strings menstr & ms which should not be misspelled with single 'U'
Wrong Spelling:  menstr-u-ms  Correct Spelling:  menstr-uu-ms 
Check more misspelled words of Menstruums to spell it correct.