Position of Mission A fertility procedure called intrauterine insemination involves taking specially cleaned sperm and injecting it into the uterus with a special catheter. The woman with a uterus is lying on her back as the sperm are transferred.

After the procedure, doctors wondered if staying upright might increase the likelihood of a successful pregnancy. In one study, it was discovered that after the sperm transfer, people who laid on their back for 15 minutes had a 27 percent pregnancy rate after three cycles. In contrast, the individuals who got up right away following the transfer had a pregnancy rate of 18%. Canine Style Researchers compared which sexual position—missionary or "doggy style"—brings ejaculate the closest to the cervix using MRI scans. You might be surprised to learn that, compared to the missionary position, rear entry brings the penis closer to the ideal spot for sperm delivery. Vietnamese porn videos

We don't know anything about how this might affect a woman's ability to conceive from this research. But ejaculation is thought to be more effective when it occurs close to the cervix. Consider rear entry if you're tired of the missionary position but still want the best possible position for conception. Whichever Feels Best Even though the position itself might not matter, how you feel in it might. For instance, longer foreplay and a higher level of sexual arousal prior to ejaculation have been demonstrated in some studies to increase sperm counts.

It may increase fertility if a certain position is more sexually stimulating. But it's unclear how much. Arousal, however, involves more than just the sperm carrier. Some studies have shown that a female orgasm that occurs right before, during, or right after ejaculation increases the likelihood of pregnancy. Positions that allow for more female simulation may be more conducive to conception.

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