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How To Confirm Whether Sperm Went Inside Your Partner

Though it is believed that precum does not have sperm, studies show that 4 out of 100 women can get pregnant by sexually interacting with it. Studies conclude that fluids released from the penis before ejaculation may contain sperm.

5 min read
How To Confirm Whether Sperm Went Inside Your Partner

Whether you are trying to get pregnant with your partner or making sure it doesn't happen, sex is all about biology. Unfortunately, not many men are aware of it, and myths surrounding the topic continue to keep you misinformed.

Although everyone is aware of how the fertilization of an egg causes pregnancy, the question arises- how do you know whether your sperm went inside your partner or not?

You ejaculate semen through your penis. And research suggests that semen contains millions of sperm cells that swim through the vagina and into the fallopian tube. During unprotected sex, if the penis enters the vagina and you ejaculate, sperm has entered your partner's body for certain.

If it is still unclear, you can go ahead and buy a pregnancy test for your partner.

Also read: Is it healthy to eat sperm? Read the FAQs to know more

How To Know if Sperm Is Inside?

Broken Condoms Mean That Sperm Has Entered

During vaginal sex, your condom can tear because of friction, improper lubrication, or contact with a sharp edge. Sometimes, rare chances could make the condom break inside the vagina while you ejaculate. In these cases, sperm will move up the vaginal tract.

If your condom breaks during sexual intercourse or ejaculation, there is a high possibility of semen leakage in the vagina.

How to Avoid Pregnancy: To prevent sperm from entering your partner, make sure to use a good quality condom. You can even choose the best condoms for long-lasting performance. Using a water-based lubricant is the best route to take to avoid condom tears.

Pre-ejaculate May Lead To Sperm Leakage

When you feel aroused, pre-ejaculate, commonly referred to as pre-cum is released. What is pre-ejaculate? The ejaculate eleased before you climax entirely during orgasm. What is pre-ejaculate's function? To lubricate your partner's vagina and neutralize the acidity of the urethra to give sperm a clear route to enter. Many men believe that pre-ejaculate does not contain sperm. However, studies show that 4 out of 100 women can get pregnant by sexually interacting with it. Studies conclude that fluids released from the penis before ejaculation may contain sperm.

Blow Jobs Do Not Mean That Sperm is Inside

When a man climaxes during oral sex, he may orgasm and release semen into his partner's mouth. If the individual performing oral sex chooses to swallow the semen, sperm will, quite obviously, enter their body.

Studies say that a woman does not get pregnant when a sperm goes inside her mouth during oral sex. Why is this? Sperm cells do not survive beyond the digestive system. This means that the sperm cells cannot swim past the digestive system and across to the uterus to fertilize an egg.

Tip: Make sure the semen does not reach the gut by washing the mouth thoroughly. While giving a blowjob, your partner can feel when sperm enters their mouth.

Unprotected Anal Sex Sometimes Leads To Sperm Leakage

During anal sex, if you ejaculate near or inside your partner's anus, sperm has most likely gone into her body. Sometimes, semen and sperm cells drip down and enter the vagina.

How to Avoid Sperm From Entering: Even though getting pregnant through anal sex is unlikely, using a condom helps considerably. You can also try using a dotted condom.

Sex Toys Can Lead To Sperm Transfer

If you're using sex toys during intercourse, semen and sperm cell residue is left behind on them. Be careful of this.

How to Avoid sperm from going in: If you want to avoid getting sperm transfer, make sure you wipe it off all the sex toys.

Pro-tip for sperm to go in : A sex toy that allows you to get pregnant- Semenette. It is an ejaculating sex toy attached to a pump. This pump fills the Sementte with fluid. This is helpful for couples who have trouble conceiving using typical methods.

How Long Should One Keep Sperm Inside To Get Pregnant?

Research suggests that sperm can survive in the female reproductive tract for up to five days. Even though there are various birth control methods available like pills, spermicidal creams, condoms, cervical caps, to name a few, none of them is full proof. These methods merely lessen the chances of getting pregnant.

Can One Feel When Sperm Enters

The feeling of your sperm entering a woman's vagina is subjective. Despite there being no definite answer to judge whether the sperm has entered inside, if your penis is inside the vagina, it is almost certain that sperm has entered.

During oral sex, a woman can feel sperm enter her mouth.

5 Signs Sperm That Sperm Went Inside

Here are some signs a woman can lookout for a few days after having sex. These signs clarify the concern of- How to confirm whether sperm went inside

Morning Sickness

You can confirm whether sperm went inside if she experiences morning sickness. Morning sickness includes vomiting and nausea.

Morning sickness usually occurs during the initial pregnancy stage of pregnancy, within 8-10 days of the sperm entering.

Sperm Leakage

If sperm goes inside the vagina during sex, sperm cells from semen swim inside the vagina to the egg. The extra semen may exit through the vaginal opening after some time. One can expect sperm leakage and confirmation that some of it has entered.

And yes, your partner can still get pregnant if sperm comes out! Sperm leaves the body because one sperm cell is enough to fertilize an egg, and the rest is excess.


If you make her pregnant, it is naturally a clear indication of both your sperm entering her body, as well as fertilization.

Delayed Periods

If you and your partner are sexually active and she has missed a period date, it is a sign that sperm could have entered her body. Usually, a woman menstruates when the egg has been released and sperm have not fertilized it.


During early pregnancy, typically after 8-10 days of sperm going in and fertilizing the egg, women feel signs of fatigue. This includes morning sickness, vomiting, nausea, and headaches. Fatigue occurs due to the hormonal changes that take place during fertilization.

Is Pregnancy Caused If You Get Sperm Outside?

If male sperm falls outside of the female body, the chances of pregnancy are less likely. Why is the risk low? Because sperm lives outside of the vagina for a very short period. For 15 - 30 minutes, to be exact. However, slight chances of pregnancy remain. The best way to avoid pregnancy is by using contraception.

How Many Drops Of Sperm Is Needed To Get Pregnant?

It only takes one sperm to get pregnant. The semen of a fertile male contains an average of about 20 million sperm per mL. If a man is perfectly healthy, he should release about 40 million sperm per ejaculation. This is important because not all sperm withstand the journey to a female's uterus. Only one sperm is enough for fertilization leading to pregnancy.

Can Oral Sex Delay Her Period?

Oral sex does not delay periods. During oral sex, a penis and vagina do not come in contact with each other. This means that ejaculation does not happen around the vagina and occurs close to the mouth or in the mouth.

Under normal circumstances, the sperm cells do not swim from the mouth to the uterus and fertilize the egg.

This is why a delay in periods is not associated with oral sex.

Dural oral sex, the sperm will only enter a woman's mouth. However, if ejaculated semen somehow comes in contact with the vulva, sperm can enter inside, which might cause periods to delay.

Also read: Top habits and foods to increase sperm count