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Ovulation / Cervical Mucus Method Billing’s Method After menstruation – Cervical mucus is opaque, thick & sticky – dry days Ovulation – Mucus is slippery,

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Presentation on theme: "Ovulation / Cervical Mucus Method Billing’s Method After menstruation – Cervical mucus is opaque, thick & sticky – dry days Ovulation – Mucus is slippery,"— Presentation transcript:

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2 Ovulation / Cervical Mucus Method Billing’s Method After menstruation – Cervical mucus is opaque, thick & sticky – dry days Ovulation – Mucus is slippery, lubricative, transparent & watery discharge – “raw egg white” – peak of ovulation

3 Klein Regal – During peak day spotting may appear – “Days of bleeding” Ovulation / Cervical Mucus Method

4 Recap Colour Consistency How stretchy it is

5 Early day Rule ( From menses to peak) COITUS IS AVOIDED ON DAYS OF BLEEDING!! Ovulation / Cervical Mucus Method Intercourse during dry days of unchanging discharge Avoid contact on succeeding days Avoid sexual liberty on any day where there is change from basic infertile pattern Peak Rule- late day of cycle from peak till the next menses

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7 Three types of mucus -Odeblad G- Type made up of purely proteins and fibers opposes the sperm L-Type thick, clumpy texture “ flower like” Maintains capacity of sperm to fertilize S- Type predominates in ovulation

8 Calendar Method a.k.a Rhythm Method – estimating a woman's likelihood of fertility – Basing on the past menstrual cycle for at least 6 months – Unique nature of woman’s cycle ( irregular periods or unusual length)

9 How to Calculate D1 (1 ST day of menstrual cycle)  next menstrual cycle Normal: 28 days ( 23-36 days) Fertile D5- D25 To Calculate Fertile phase: subtract 18 from shortest cycle and 11 from the longest * Shortest cycle: 23-18 = 5 (infertile phase) * Longest cycle: 36- 11 = 25 (post-ovulatory infertile phase)

10 EXAMPLE Bechay 22y/o regular menstrual period LMP: June 15’09 June 29 – ovulation period (add 14) +/- 5 days = SAFE/ NON FERTILE


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