polymenorrhea
major triad
antepartum
prebirth
oligoamenorrhea
periopathogenic
perimenstrually
perimenstrual
evening
periodontic
some time
rag week
triennial
parietotemporal
unperiodized
in
diperiodic
periodize
perinatal
second trimester
pregenitally
moontime
triphasically
minor triad
financial year
basal body temperature method of family planning
trillennial
preovulation
quadriphasic
basal body temperature method
fiscal year
climacteric
peridental
multiperiodic
on the blob
heterochronous
timestep
fertile period
fertile phase
menopause
periodontopathogen
change of life
quadrimester