Natural Family Planning

Natural Family Planning is fertility awareness, the knowledge of a couple's fertility.  The Couple to Couple League teaches three basic signs of fertility - temperature, mucus and cervix - and how to apply this knowledge through the Sympto-thermal method, which can be used both to achieve and to avoid pregnancy.  Safe, healthy and 99% effective. 

Side effects can include: cooperation, reverence and respect for your spouse, strengthening of your marriage bond, an increase in your faith and trust in God and in your spouse and personal insight into the meaning of sexual intercourse as a renewal of your marriage covenant.


If you are interested in more information about Natural Family Planning please contact John and Cathy Nix at 210-695-8020 or by email at


For more information visit


The mission of St. Mark the Evangelist Catholic Church is to spread the Good News of Jesus Christ to all God's people by word and action.


1602 Thousand Oaks Drive 
San Antonio, Texas 78232 




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