Standard Days Method

Standard Days Method (SDM) is a simple, modern, fertility awareness-based method of family planning that was developed and tested by IRH in 2001.

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Standard Days Method and Cyclebeads, PDF

Standard Days Method - About SDM – Simple, Natural Family

Calendar method, anyone using it?

The Untold Secret To Safe Days by Calendar Method in Less Than Ten

Natural Family Planning

All Natural Family Planning Institute for Reproductive Health

PPT - HDC PRESENTATION ON THE SDM (CYCLE BEADS) PowerPoint

Standard Days Method (SDM)

The Complete Guide To The Calendar Method Birth Control

Does the evidence support global promotion of the calendar-based

7 Natural Family Planning Methods and a Printable Chart

Mother Nature & Reproduction: Standard Days Method® Using