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India is witnessing a steady rise in fertility related concerns among young adults, particularly in urban populations. Delayed marriages, stressful work cultures, sedentary lifestyles, tobacco use, social drinking, irregular sleep patterns, and excessive screen time are increasingly influencing reproductive health in both men and women.
Estimates of infertility in India vary widely, from around 3.9% to 16.8%, with a higher burden often seen in urban populations. Lifestyle related factors are emerging as an important contributor. Health experts say many young adults continue to underestimate how everyday habits can silently affect hormones, egg quality, sperm health, and long-term fertility.
Smoking and Fertility: A Growing Concern Among Young Indians
Tobacco and nicotine exposure are no longer concerns limited to men in India. Cigarette smoking, vaping, smokeless tobacco, and passive smoke exposure are increasingly relevant issues among young adults, particularly in metros and college-going populations. Tobacco contains toxic chemicals that can directly damage reproductive cells and impair blood circulation to reproductive organs.
In women, smoking accelerates ovarian ageing and reduces ovarian reserve, which refers to the number and quality of eggs remaining in the ovaries. Women who smoke are more likely to experience irregular menstrual cycles, difficulty conceiving, miscarriages, and earlier menopause compared to non-smokers.
The Global Adult Tobacco Survey India 2016-17 (GATS-2), cited by WHO India, reported that nearly 267 million adults in India use tobacco in some form. While cigarette smoking among women remains lower compared to men, smokeless tobacco and passive smoke exposure inside homes and workplaces continue to be major concerns for reproductive health.
Smoking also affects fertility treatment outcomes. Smokers undergoing IVF may show poorer response to ovarian stimulation and lower pregnancy success rates.
The impact on men is equally serious. Smoking affects sperm count, motility, morphology, and DNA quality. Several fertility clinics in India have observed a rise in male infertility linked to smoking, obesity, stress, and alcohol consumption. Studies estimate that male factors contribute to nearly 40-50% of infertility cases among couples.
Alcohol Consumption and Hormonal Imbalance
Social alcohol consumption has become increasingly common among young professionals in urban India. While an isolated occasional drink may not cause infertility, regular or binge alcohol intake can interfere with hormone regulation and reproductive function.
Alcohol can disrupt the endocrine system responsible for ovulation and sperm production. In women, excessive alcohol intake can lead to menstrual irregularities, ovulation disorders, and reduced fertility potential. In men, it may reduce testosterone levels and impair sperm production.
Doctors also warn that binge drinking patterns seen among younger populations can worsen reproductive health outcomes when combined with smoking, unhealthy diets, poor sleep, and chronic stress.
In India, changing social lifestyles have also contributed to rising rates of obesity, metabolic disorders, and polycystic ovarian syndrome (PCOS), all of which are closely linked to fertility challenges. Indian studies report varying PCOS prevalence depending on diagnostic criteria; pooled estimates are close to 10%, with some urban young cohorts reporting higher rates.
Screen Time Stress and Sleep Deprivation
One of the biggest but least discussed lifestyle risks today is screen-time stress. Long working hours, late-night scrolling, work-from-home routines, and constant digital engagement are disrupting sleep cycles and increasing stress levels among young Indians.
With India now having over a billion internet users and very high smartphone and social media use, daily digital exposure has increased substantially. Many urban adults spend long hours on digital devices. Excessive screen exposure, especially before bedtime, can suppress melatonin production and disrupt circadian rhythm, which may indirectly affect reproductive hormones.
Poor sleep quality and chronic stress can elevate cortisol levels, interfere with ovulation, reduce libido, and negatively affect sperm health. Women experiencing chronic stress may also develop irregular periods and worsening symptoms of hormonal imbalance.
Mental health experts point out that young working professionals are increasingly facing ‘always-on’ stress due to work pressure, social media exposure, financial anxiety, and lack of work-life balance. This persistent stress response can silently impact reproductive health over time.
Doctors also note that prolonged sedentary behaviour associated with excessive screen use contributes to obesity, insulin resistance, and reduced physical activity, which are important risk factors for infertility.
Fertility Is Closely Linked to Lifestyle
Experts emphasise that fertility is not only a medical issue but also a lifestyle issue. The encouraging aspect is that many risk factors are reversible when addressed early.
Quitting smoking, limiting alcohol consumption, improving sleep quality, exercising regularly, reducing screen exposure, and managing stress can significantly improve hormonal balance and reproductive health outcomes.
Fertility specialists recommend that couples planning pregnancy should adopt healthier lifestyle habits at least three to six months before trying to conceive, as both egg and sperm quality are influenced by daily behaviours and overall health.
As conversations around fertility become more open in India, awareness about the impact of lifestyle choices is becoming increasingly important. Protecting reproductive health is not only about having children in the future; it is also about maintaining hormonal, emotional, and overall well-being throughout life.
Dr. Nandita Palshetkar, Scientific Director & Head of the Bloom IVF Unit at Lilavati Hospital, Mumbai, and Medical Director of Bloom IVF
