• 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
Role of Nutrition in Disease Prevention: How Food Choices Shape Long-Term Health

Role of Nutrition in Disease Prevention: How Food Choices Shape Long-Term Health

Disease prevention is no longer limited to vaccinations and medical screenings. Modern healthcare increasingly recognises nutrition as one of the most powerful tools for preventing illness before it begins. The role of nutrition in disease prevention is especially important in India, where lifestyle-related diseases account for a large share of premature illness and mortality.

According to the Indian Council of Medical Research (ICMR) and the National Family Health Survey (NFHS-5), poor dietary patterns contribute significantly to rising cases of diabetes, heart disease, obesity and hypertension. Unlike genetic factors, nutrition is a modifiable risk factor, meaning everyday food choices can actively protect health.

 


Why Nutrition Is Central to Disease Prevention

1. Nutrition regulates metabolic health

Balanced diets help maintain:

  • healthy blood sugar levels
     

  • optimal cholesterol balance
     

  • stable blood pressure
     

Disruption in these systems increases disease risk.

2. Nutrition strengthens immunity

WHO highlights that immune function depends heavily on adequate intake of vitamins, minerals and protein.

3. Nutrition controls inflammation

Chronic low-grade inflammation is linked to most lifestyle diseases. Diets rich in whole foods reduce inflammatory markers.

Major Diseases Influenced by Nutrition

Diabetes and Prediabetes

Excess refined carbohydrates and sugar drive insulin resistance.

Preventive nutrition focuses on:

  • whole grains
     

  • fibre-rich vegetables
     

  • adequate protein
     

  • controlled portion sizes
     

ICMR data shows that dietary modification can delay or prevent type 2 diabetes in high-risk individuals.

Cardiovascular Disease

Heart disease remains a leading cause of death in India.

Nutrition impacts:

  • cholesterol levels
     

  • blood pressure
     

  • arterial inflammation
     

Diets low in trans fats and high in fibre significantly reduce cardiovascular risk, as confirmed by WHO and Lancet studies.

Obesity

Obesity increases the risk of multiple chronic diseases.

Preventive nutrition addresses:

  • calorie density
     

  • food quality
     

  • satiety regulation
     

NFHS-5 reports a steady rise in overweight and obesity across age groups.

Hypertension

High sodium intake and low potassium intake contribute to high blood pressure.

Preventive dietary strategies include:

  • reducing processed foods
     

  • increasing fruits and vegetables
     

  • maintaining mineral balance
     

Certain Cancers

Diet influences cancer risk through:

  • antioxidant intake
     

  • fibre consumption
     

  • reduced exposure to carcinogenic compounds
     

WHO estimates that a significant percentage of cancers are preventable through diet and lifestyle changes.

Key Nutrients That Support Disease Prevention

Fibre

Supports gut health, blood sugar control and cholesterol reduction.

Protein

Essential for muscle health, immune function and metabolic balance.

Healthy Fats

Omega-3 fats reduce inflammation and protect heart health.

Micronutrients

Iron, zinc, vitamin D and B vitamins are essential for metabolic and immune regulation.

NFHS-5 highlights widespread micronutrient deficiencies in India, increasing disease vulnerability.

Role of Gut Health in Prevention

The gut microbiome plays a major role in:

  • immune regulation
     

  • inflammation control
     

  • nutrient absorption
     

Fermented foods and fibre-rich diets support healthy gut bacteria, strengthening disease resistance.

 

Why Preventive Nutrition Works Best Early

Nutrition is most effective when applied:

  • before disease onset
     

  • during pre-disease stages
     

  • alongside regular health screening
     

Once disease progresses, nutrition remains supportive but may not reverse damage fully.

Nutrition vs Medication in Prevention

Medication treats disease; nutrition reduces risk.

WHO and NITI Aayog emphasize that:

  • preventive nutrition reduces disease incidence
     

  • lifestyle modification lowers healthcare burden
     

  • early nutrition changes reduce dependency on long-term medication
     

Both approaches work best when combined appropriately.

Workplace and Community Role in Preventive Nutrition

Structured nutrition programs at workplaces and communities:

  • improve awareness
     

  • support behaviour change
     

  • reduce population-level disease burden
     

Lancet studies show that group-based nutrition interventions improve long-term adherence.

 

Common Myths About Nutrition and Disease Prevention

Myth 1: Supplements replace healthy food

Whole foods provide better long-term protection.

Myth 2: Prevention requires extreme diets

Consistency matters more than restriction.

Myth 3: Nutrition only matters after diagnosis

Early nutrition is most effective before disease develops.

Building a Preventive Nutrition Routine

Effective preventive nutrition includes:

  • regular meals
     

  • diverse food groups
     

  • portion awareness
     

  • minimal processed foods
     

  • hydration
     

Small daily choices compound into long-term health benefits.

Long-Term Impact of Preventive Nutrition

Consistent healthy eating leads to:

  • reduced disease risk
     

  • improved energy and productivity
     

  • better immune resilience
     

  • lower healthcare costs
     

  • improved quality of life
     

NITI Aayog identifies nutrition as a cornerstone of sustainable healthcare systems.

Conclusion

Understanding the role of nutrition in disease prevention empowers individuals to take control of their health long before illness develops. Balanced, consistent nutrition reduces inflammation, supports immunity and protects against chronic diseases that burden India’s healthcare system. Preventive nutrition is not about short-term fixes but about building lifelong habits that support health, resilience and longevity.

 

References

  • ICMR – Nutrition and Lifestyle Disease Prevention Reports
     

  • National Family Health Survey (NFHS-5) – Dietary and Metabolic Health Data
     

  • NITI Aayog – Preventive Healthcare and Nutrition Strategy Reports
     

  • WHO – Diet, Nutrition and Chronic Disease Prevention Guidelines
     

  • Lancet – Nutrition and Disease Risk Reduction Studies
     

  • Statista – Dietary Trends and Health Outcomes India
     

  • EY-FICCI – Preventive Healthcare and Nutrition Economics

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