first trimester
second trimester
third trimester
fertile period
fertile phase
moontime
polymenorrhea
polymenorrhagia
paramenstruum
niddah
monthly
monthly visitor
monthly friend
preovulation
monther
rhythm
calendar method of birth control
calendar method
term
menstrual
rhythm method
rhythm method of birth control
Naegele's rule
full term
rag week
calendar month
periovulation
molimina
weekend
climacteric
menopause
labour
change of life
premature labour
premature labor
monthly bill
periodoscope
periodicity
bimester
space
ovulatory period
due date
life
safe period
expected date of confinement
trimester
basal body temperature method of family planning
postmenopause
pupillarity
menorrhagia
basal body temperature method
fourth trimester
epimenorrhea
catamenia
toddlerdom
summer
quarter
terminus ad quem
month
birthtide
oligoamenorrhea
prebirth
eumenorrhea
menarche
lower boundary
baby boom
parity