However, science does offer a few practical clarifications: While no specific position guarantees conception, some positions can help deposit sperm closer to the cervix, which is the gateway to the uterus where sperm need to go. Positions that allow for deeper penetration — like the classic missionary position (partner on top) or doggy style (from behind) — can naturally place sperm nearer to the cervix compared to positions with shallower penetration.
What about what you do after sex? Although it’s widely believed that lying still or propping your hips up can help sperm travel in the right direction, there’s only limited scientific backing for this. Still, many doctors say it’s harmless to try: simply lying on your back for 10 to 15 minutes after intercourse, maybe with a small pillow under your hips, may help gravity do a bit of the work. Some couples even rest their legs up against a wall, but again, this is more of a tradition than a proven method.
You might notice fluid leaking afterward — this is perfectly normal and mostly semen fluid, not the sperm itself. Healthy sperm are strong swimmers and can reach the uterus within minutes of ejaculation, so don’t be discouraged by any leakage you see on your underwear or tissue afterward.
What should you avoid? Douching after sex is unnecessary and can actually disrupt the healthy bacteria inside the vagina, potentially increasing the risk of infection and flushing out sperm that you want to keep. Also, while light movement or going about your normal day is fine, you may want to avoid high-impact workouts immediately after sex if it helps you feel more comfortable and less worried about “shaking things up” — though research doesn’t show that exercise affects conception rates.
Finally, if you use lubricants, choose them wisely: many commercial lubricants — as well as saliva, coconut oil, or olive oil — can harm sperm motility. If you need lubrication, look for sperm-friendly or hydroxyethylcellulose-based products, or consult your doctor for recommendations like mineral or canola oil, which are considered more sperm-safe.
In short, focus less on complicated positioning tricks and more on well-timed, relaxed intimacy. As long as ejaculation occurs inside the vagina during the fertile window, the sperm know exactly where to go — no acrobatics required.