Vaginal infections or use of vaginal products or medication may alter cervical mucus. You and your partner may be tempted to take risks during your fertile period. THEY COST Classes may be free of charge at some family health, family planning, and church-affiliated centers. Charts are carried by family planning clinics. Temperature kits can be bought at drugstores.
Charts cost little or nothing.
The cost in clinics or when authorized by a private doctor is covered by Medicaid in some states. For more information, please read our Frequently Asked Questions . Inc. Use of this site signifies your agreement to Terms of Use .