• Published on: Aug 28, 2021
  • 4 minute read
  • By: Dr Rachana Choudhary

Can You Get Pregnant During Your Period? How Likely Is It?

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Can you get pregnant during your period? How likely is it?

In theory, you can get pregnant on your period. The chances of getting pregnant range between 1% to 5%, depending on when you ovulated and when your menstrual cycle starts.

Note: First talk with gynaecologist before trying anything here. They'll help figure out the best time for you to start an experiment (and take pills that will prevent pregnancy) - so any attempts are low-risk due to those precautions!

Lesson One: Doctor What's a Good Time?  If you're not ready for a child right now (or want one now), have follow-ups with the gynaecology doctor about what would be the best time for experimenting without risking it more than necessary (which is what makes following guidelines important).

If a woman is ovulating, it is possible to get pregnant. Ovulation can happen at any point during the menstrual cycle and women have an average of 14-24 eggs maturing in their ovaries at any given time. Sperm are known to remain alive inside the body for 5 days, so there's plenty of opportunity for pregnancy while on your period.

Sperm can survive outside the uterus for about 5 days after sex if deposited into fertile cervical mucus. The female reproductive tract becomes receptive to fertilization only about two days before ovulation takes place (release of an egg from one of the ovaries). But sperm may stay viable inside you or your partner's body anywhere from 3 up to five full days It is possible to become pregnant on your period. Though, it is not that common.

The average menstrual cycle lasts 28 days, from the day after your last one begins until the first day of the following cycle. That means you can get pregnant about two weeks out of every four—so 12 months out of every year and around 25% of a year. But for many women (10% or more), periods are irregular which makes contraceptive choices tricky when trying to track ovulation cycles and so more difficult to stay safe from pregnancy without risking an unplanned baby or STI exposure to have sex with their partner if they haven’t been using condoms during intercourse was broken hormonal contraceptive pill use so far during this new cycle Answer: This is more likely. The male orgasm happens when semen is sent into the vagina through penile ejaculation. Men usually produce millions of sperm every day and females ovulate only one egg per month, so what do you think?

I am sorry to say that some people conceive this way. But if you want to reduce your risk, it would be better for your partner to use a contraceptive like condoms or not have sex at all during your period. Other ways of getting pregnant on your period are by using in vitro fertilization or even with another man's sperm (heterosexual women can get pregnant from anal sex). The menstrual cycle is not a straight line, though it usually does start and end at the same time each month, so technically you can always get pregnant during your period. As doctors, we often discuss the risk of getting pregnant in terms of days past ovulation- with all other things being equal for two people who have sex on the day they ovulate (i.e., 12 days apart), one's chance of becoming pregnant is 12%. If it has been less than a day since ovulation, however, even if the female partner is bleeding (like right after her period), there is still sperm in her vagina that could potentially make its way up into her uterus and fallopian tubes enough to fertilize an egg from that cycle.

There are four indicators to know if you can get pregnant on your period. One, is the possible pregnancy? The possibility of getting pregnant in a cycle is high unless there was an illness or termination of pregnancy during that time. Two, Can women get their menstrual period while they’re pregnant? A woman's body does not produce enough natural hormones for her to have a monthly menstruation during her pregnancy because it is at its peak around the end of gestation (towards the 36 week mark). Three, Can you be fertile when on your periods?

When we ovulate our estrogen hormone levels rise and keep sperm alive up until halfway through our cycles when egg starts producing less estrogens.

It's possible because of ovulation that can happen mid-cycle. The odds change depending on certain factors like your cycles and whether you have any STDs. For instance, if an egg is just released from the ovary before menstruation starts then it has about 12 hours to fertilize with sperm so as long as there was recent intercourse at least 12 hours prior to a woman's first day of the period then it is definitely possible to get pregnant while on her period!

The best time for getting pregnant without birth control use is 4 days before your next period (the very next day before your yearly birthday). Birth control pills make it difficult for pregnancy so the chances are fairly low that you would become pregnant this

The chance of getting pregnant during your period is highly unlikely.  The probability that you’ll get pregnant during one menstrual cycle has been estimated to be approximately 1%. In order to conceive while menstruating, a sperm would need to make it past the fluids and reach the egg outside the uterus—that's a lot easier said than done. (e.g., about an inch away from impregnating a woman) Sperm does not actually live very long- typically less than 3 days at body temperature (we can't measure this precisely as sperm production is often unknown and fluid can make them last longer). It is possible to conceive a baby if it happens during ovulation, which typically occurs in the middle of your menstrual cycle.

In other words, there's reason to believe you can get pregnant while on your period as long as your periods are regular and you're ovulating at the time of conception. If we assume that an average woman has 280 days in her menstrual cycle, then any day from Day 91 through Day 365 would be the day when she could fall pregnant - assuming she had intercourse after the fertile window opened at around 4-6 pm on Day 11. As a rule of thumb, dating apps and sexual health websites recommend waiting until seven or more days after menstruation begins before having sex again.

There are a number of factors that play a role in this, chief among them timing. In general, most women ovulate about two weeks from the last menstrual period (LMP), or cycle day 13. A woman's menstrual cycle can be as short as 21 days or as long as 35 days, though long cycles are more uncommon than shorter ones. This means a woman could be pregnant if they have sex on around day 14-17 of their cycle after LMP if ovulation happens to fall on either those days or one day previous to any one of those days. If it is not even going to happen in the next 4-5 months but you would like to get pregnant and need some STD testing done.

Read Blog
Lack of sunlight and mental health link

Lack of Sunlight and Mental Health Link: What You Should Know

Do you ever feel gloomy, tired, or anxious during the rainy season or in winter when sunlight is low? You're not alone. There’s a growing body of research that shows a strong link between lack of sunlight and mental health problems—including depression, anxiety, and fatigue.

In this blog, we’ll break down this connection in simple terms and help you understand why stepping outside for just 20 minutes of sunshine could boost your mood naturally.

 

Why Is Sunlight So Important?

Sunlight does more than just brighten our days. It plays a critical role in our physical and mental well-being by:

  • Regulating sleep through the circadian rhythm
     

  • Boosting serotonin, the “feel-good” hormone
     

  • Helping the body produce vitamin D, which supports mood and immunity
     

  • Improving alertness and reducing fatigue
     

When we don’t get enough sunlight—whether due to indoor lifestyles, long winters, or pollution—our mental health may suffer.

 

The Science Behind the Mood-Sunlight Connection

Sunlight impacts the brain's chemistry, especially serotonin and melatonin levels.

  • Serotonin improves mood, helps you feel calm, and supports focus.
     

  • Melatonin controls sleep and is produced when it's dark.
     

When you lack sunlight, serotonin production drops, while melatonin levels rise earlier in the day. This imbalance can cause:

  • Low energy
     

  • Sadness or depression
     

  • Irritability
     

  • Oversleeping
     

  • Poor concentration
     

 

What Is Seasonal Affective Disorder (SAD)?

Seasonal Affective Disorder (SAD) is a type of depression that occurs at certain times of the year—usually in winter when sunlight is limited.

Common SAD symptoms:

  • Feeling hopeless or down most of the day
     

  • Sleeping more than usual
     

  • Craving carbs and gaining weight
     

  • Losing interest in activities you usually enjoy
     

  • Low motivation and energy
     

SAD is real, and it affects millions worldwide—especially in places with long winters or low sunlight.

 

The Role of Vitamin D

Sunlight helps your skin make vitamin D, which is essential for your mood and immune function. Low levels of vitamin D are linked to:

  • Depression
     

  • Fatigue
     

  • Brain fog
     

  • Weak immunity
     

How do I know if I have low vitamin D?

You can take a Vitamin D blood test—available through platforms like SecondMedic.com with Thyrocare home collection.

 

Signs You May Be Affected by Low Sunlight

  • You feel sad or “off” during cloudy or winter days
     

  • You avoid going outdoors
     

  • You feel sleepy all day
     

  • You lose interest in daily tasks
     

  • You are deficient in vitamin D
     

If you check more than 2 of these, it’s time to focus on getting more light.

 

Simple Ways to Get More Sunlight and Boost Mental Health

1. Get Morning Sunlight

Spend 15–30 minutes in direct morning sunlight every day. This resets your internal clock and boosts serotonin.

2. Open Curtains and Use Natural Light Indoors

Let natural light into your home or workspace whenever possible.

3. Take a Walk Outside

Even a short daily walk can improve your mood.

4. Consider a Vitamin D Supplement

If your doctor confirms deficiency, a supplement may help restore mood balance.

5. Use Light Therapy

In areas with very little sunlight, light therapy lamps mimic natural light and can reduce SAD symptoms.

 

Related Lab Tests (Available on SecondMedic)

To understand how sunlight impacts your health, consider these lab tests:

Vitamin D Test

Check your vitamin D levels and confirm if sunlight deficiency is affecting your mood.

Thyroid Profile

Low sunlight can affect thyroid function, which is closely tied to mental health.

CRP Test (C-Reactive Protein)

To check if inflammation is contributing to fatigue or mood issues.

All of these are available for home sample collection through SecondMedic.com.

 

Conclusion

It’s easy to overlook how much sunlight affects our mind. But science clearly shows that regular exposure to natural light improves mood, energy, and mental clarity.

Whether you're feeling low or want to prevent future problems, just a few minutes of daily sunlight can make a big difference.

If you’re concerned about the lack of sunlight and mental health link, start by stepping outside—your brain will thank you.

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