Sex is a natural and healthy part of human life, and it can have a variety of effects on our bodies. Even if you think you’re keeping your recent sexual encounters private, your body may reveal more than you realize.

Here are five ways your body may indicate that you’ve had sex recently.

1. Change in vaginal odor

Sexual activity can cause changes in vaginal odor due to the release of pheromones and the disruption of natural bacteria in the vaginal area. While this change is usually temporary, some people may experience a lingering odor after sex.

If you notice a persistent odor, it may be a sign of an underlying infection and you should consult a doctor.

2. Bruising or soreness

If you had a particularly vigorous sexual encounter, you may experience bruising or soreness in the pelvic area. This can be caused by friction, position, or simply the intensity of the encounter.

While minor bruises and soreness are generally not cause for concern, if you experience persistent pain or discomfort, you should seek medical attention.

3. Changes in breast size or sensitivity

Sexual activity can also lead to changes in breast size or sensitivity. This is due to the release of hormones such as oxytocin and prolactin, which can cause swelling and tenderness in the breasts.

These changes are usually temporary, but if you notice persistent pain or discomfort, or if you experience any unusual discharge from your nipples, you should consult a doctor.

4. Skin changes

Sexual activity can cause sweating, particularly in the genital area, which can lead to skin irritation or redness. You may also notice temporary changes in skin color or texture due to the increased blood flow to the pelvic area during intercourse.

While these changes are usually temporary, if you experience persistent skin irritation or changes in your skin that concern you, you should consult a doctor.

5. Fatigue or insomnia

Sexual activity releases endorphins, which can cause feelings of pleasure and relaxation. However, some people may experience fatigue or insomnia after sex due to the release of other hormones such as serotonin and norepinephrine.

If you find that your sleep patterns are consistently disrupted after sex, you may want to speak to a doctor or sleep specialist to discuss potential solutions.