This is most obvious way to prevent a pregnancy. It involves avoiding sexual intercourse so there is kinds of connection so that pregnancy won’t happen.
Rely on understanding when ovulation will take place during the monthly cycle - menstrual cycle, so that intercourse is avoided or a barrier method is used. Male partner must be continuously cooperative.
This methods include:
Its effectiveness ranges from 98% with perfect use to 78% with typical use.
This prevention refers to the moment a man pulls his penis out of his partner’s vagina to avoid ejaculation of sperm. Ejaculation means the act of ejecting semen from the body.
Its effectiveness is 96% with perfect use and 82% with typical use
One of the advantages of this prevention methods is it requires no money, device, hormones, or medical provider.
It has disadvantages as well as advantages. The main problem here is it doesn’t protect from STI cause there is a contact. Also, It requires a great degree of self-control. For some men, It may be difficult to know if they have withdraw before ejaculation or not.
Most of the time Ovulation occurs 12-16 days before the onset of the next menstrual period. By keeping careful records of the intervals between menstrual periods, it is possible to calculate a potentially fertile period. On its own, this method is not very reliable. During or soon after ovulation, a women’s temperature rises by about 0.5 degree Celsius.
There is 25% chance of pregnancy per year.
As the time for ovulation approaches, the mucus becomes more fluid. Women can learn to detect these changes and so calculate their fertile period. by combining the calendar, temperature and mucus methods and it is possible to achieve about 80%.