Inventory of unreliable contraception methods

Inventory of unreliable contraception methods
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What are the most unreliable method of contraception?Methods of
contraception is varied, specific selection which is based on their
preferences to decide.However some method of contraception, cannot
achieve contraceptive purposes, this will require serious
consideration while selecting.Which contraceptive method is
unreliable?
Cleaning the vagina
Cleaning the vagina, that is, after sex, women with water or other
liquid wash vagina immediately, to the body of semen washed away, thus
avoiding pregnancy.This method is not reliable, because only washing
range for vagina, but before washing, many sperm may have arrived at
the cervix and uterus.Is one of the most unreliable contraception
methods.
In addition, if using disinfectant, such as the drops of dew to wash
vagina, is very dangerous, due to poor concentration provision may
result in burns or irritation.
Efflux of essential
Ejaculation by means of contraception in vitro couples in sexual life,
when the man is about to enter the orgasm is about ejaculation
suddenly interrupted sexual intercourse, quickly taking penis, sperm
outside the woman's vaginal discharge, to achieve the purpose of
contraception.This is an ancient method of contraception, in case of
lack of contraceptives in the past, people to have a lot of people
using this method of contraception.
Ejaculatory duct contraception Although simple in vitro, but not
reliable, higher failure rates.Failure is, the man in front of the
vaginal out of the penis, is a small amount of semen into the
vagina.Because and ejaculation is ejaculation is a coherent action, a
very short amount of time between the two, most men cannot accurately
grasp the opportunity, resulting in orgasm is reached soon, cannot be
drawn within the penis from the vagina in time, the initial injection
of sperm into the female's vagina, and that some of the largest number
of sperm in the semen, so easily lead to pregnSecondly, men often have
a small amount of sperm into the vagina before ejaculation action
occurs.This is the accumulation of sperm in the vas deferens, during
sexual excitement, as the vas deferens contraction to optional first
into the urethra, and overflow with the urethral secretion into the
vagina.This is the most unreliable method of contraception.So you do
not want the child carefully selected this method of contraception.
ancy.This is the main reason causing ejaculation failure of
contraception in vitro.