V
Vierailija
Vieras
Mikäli englanninkieli sujuu, niin keskeytetystä yhdynnästä löytyy hyvin tietoa laittamalla Googleen hakusanaksi "withdrawal"
Jos homman osaa ehkäisyteho on jopa 96%, mutta yleensä vain 70-75%, koska menetelmää ei osata käyttää oikein.
Tuossa yksi esimerkki
http://www.contracept.org/withdrawal.php
"How Effective is Withdrawal?
This method is estimated to have a 27% failure rate annually among typical users. That means that every year, over 1 in 4 people using withdrawal as their only method of birth control will get pregnant. Failure rates will be lower for couples using withdrawal in combination with another method. Perfect users can expect a failure rate as low as 4%, which actually compares favorably to many other methods. See table of contraceptive failure rates... Withdrawal has a 31% annual failure rate for teens because they typically have less practice using this method effectively. More about birth control failure rates for teens and young adults... "
Jos homman osaa ehkäisyteho on jopa 96%, mutta yleensä vain 70-75%, koska menetelmää ei osata käyttää oikein.
Tuossa yksi esimerkki
http://www.contracept.org/withdrawal.php
"How Effective is Withdrawal?
This method is estimated to have a 27% failure rate annually among typical users. That means that every year, over 1 in 4 people using withdrawal as their only method of birth control will get pregnant. Failure rates will be lower for couples using withdrawal in combination with another method. Perfect users can expect a failure rate as low as 4%, which actually compares favorably to many other methods. See table of contraceptive failure rates... Withdrawal has a 31% annual failure rate for teens because they typically have less practice using this method effectively. More about birth control failure rates for teens and young adults... "