Related terms:
nfp
abstain
infertile
unprotected
hormonal
cervix
ovulation
avoid pregnancy
cervical mucus
infertile phase
barrier methods
pregnancy rates
failure rate
infertility
family planning
abstinence
periodic abstinence
birth control
periodic
breastfeeding
cervical
natural family planning
fertility
per year
contraception
reproductive
bleeding
pregnancy
cycle
catholic church
Wikipedia sources:
Fertility awareness
Birth control
Calendar-based methods
Natural family planning
Anovulation
Context for words:
fertility
awareness
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