No, orgasm does not prevent pregnancy.
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If you are a sexually active female, pregnancy can occur. Birth control will help prevent pregnancy, but is not guaranteed.
No, an IUD is placed in the uterus, not the vagina. The diaphragm, cervical cap, and vaginal ring are placed in the vagina to prevent pregnancy.
Female ejaculation is discharge, urine is well, pee.
If the female is healthy, no.
Withdrawing a finger with pre-ejaculation fluid or ejaculation fluid from the vagina and risking pregnancy.
No
tubectomy is a surgical method to prevent pregnancy, in which fallopian tube in female is cut that prevent meeting of ovam with the sperm
Visit the related links below for some sites with information on female ejaculation.
You can get pregnant any time you have sex - it doesn't matter if your boyfriend cleans after ejaculation, cleaning doesn't prevent unintended pregnancy. If you are not using birth control then pregnancy is a possibility whenever you have sex.
Some people believe that if you "pull out" the penis before ejaculation, you can avoid pregnancy. This is not an effective means of birth-control since semen can be released before ejaculation and cause pregnancy.
If you mean "ejaculating a couple times" then most certainly. If you literally mean "penetrating" a couple times, then it is possible. The reason that both are possible is that through ejaculation and pre-ejaculation which happens even in penetration there is sperm that is capable of getting a female pregnant. I suggest using condoms to prevent all unwanted pregnancies. As "inconvenient" as condoms may be or seem, it is much better than the female getting pregnant and having to deal with an abortion or pregnancy when she or the two of you are ready.