Reproductive Organs
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Ovary: Ovulation is the release of an egg from the ovary.
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Vulva: senses the mucus and the mucus can be observed at
the vulva.
The cervix is a narrow channel between the vagina and the cavity of the uterus. The behaviour of the cervix is strongly influenced by the ovarian hormones, oestrogen and progesterone.
There are hundreds of crypts in the cervix which secrete different types of mucus. Some types of mucus are viscous and they close the cervix to outside matter.
Other types of mucus are more fluid. When the oestrogen levels rise the crypts secrete the fluid types of mucus. These enable sperm cells to move through the cervix towards the fallopian tubes where one can fertilise the egg at the time of ovulation.
Cervical mucus reaches the vulva where it creates various sensations, and its physical characteristics can be observed.
Billing Method
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Billings Method
Understanding the Billings Method -
Charts – The Visual Record
The graphical record is a bar chart. -
Charting and Rules
Observations, Charting and Rules -
Variations of the Cycle
Normal Fertile Cycle -
Achieving pregnancy
Achieving pregnancy by acts of intercourse -
Breast Feeding
The billings Method during breastfeeding
JABFM – Online Survey
The Performance of Fertility Awareness-based Method Apps Marketed to Avoid Pregnancy; JABFM July–August 2016 Vol. 29 No. 4 pp. 508-511. Introduction: In recent years there has been an explosion in the development of medical apps, with more than 40,000 apps now available. Nearly 100 apps allow women to track their fertility and menstrual cycles and can be used to avoid or achieve pregnancy…
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