Pregnancy is an exciting and sometimes overwhelming time. Along with the joy of expecting a child comes a flood of advice—from relatives, friends, social media, and even strangers. While some guidance is rooted in science, much of it is based on myths or old wives’ tales. Sorting fact from fiction can help expectant parents focus on what truly matters: their health and the health of their baby.

Here’s a breakdown of ten common pregnancy myths and the real facts behind them.

Myth 1: You Can Predict Your Baby’s Gender

One of the most persistent pregnancy myths is that you can tell your baby’s gender based on physical signs or cravings. Some people claim that the shape of the belly, fetal heart rate, or unusual cravings can indicate whether the baby is a boy or a girl. While these ideas can be entertaining conversation starters, they have no scientific basis.

The only reliable ways to determine your baby’s sex are through an ultrasound scan, typically performed around 19–20 weeks, or specific blood tests, which can sometimes provide results as early as 10 weeks. Using myths to guess your baby’s gender can be fun, but it’s best to enjoy them for entertainment rather than rely on them for accuracy.

Myth 2: Exercise Is Unsafe During Pregnancy

Some expectant mothers worry that exercising while pregnant could harm the baby. In reality, exercise is generally safe and beneficial for most women. Maintaining physical activity during pregnancy can improve circulation, reduce stress, and even ease labor and delivery.

Women who were active before pregnancy can usually continue their workouts, but they should pay attention to their bodies and avoid overexertion. It is not recommended to start a strenuous or unfamiliar exercise routine during pregnancy. Safe activities include walking, swimming, prenatal yoga, and low-impact aerobic workouts. Consulting a healthcare provider before beginning or continuing an exercise routine is always advised.

Myth 3: Sex Is Dangerous While Pregnant

Many people believe that sex during pregnancy could harm the baby. However, for most women, sexual activity is safe unless a doctor has given specific instructions to avoid it due to medical complications. Sex during pregnancy can provide emotional intimacy, help relieve stress, and even prepare the body for childbirth by increasing pelvic blood flow and hormone levels.

Of course, if a pregnancy has complications such as placenta previa or risk of preterm labor, medical advice should be followed. Otherwise, normal sexual activity is not only safe but can be enjoyable throughout pregnancy.

Myth 4: Hair Dye Is Risky

Some pregnant women avoid hair dye, fearing it could harm their baby. The truth is, dying your hair is generally safe, especially after the first trimester. Using milder dyes and ensuring good ventilation can minimize exposure to chemicals. Most hair dye chemicals are not absorbed in significant amounts through the scalp to pose a risk to the developing baby. However, many people prefer natural or semi-permanent dyes during pregnancy for extra caution.

Myth 5: Hot Baths Are Always Unsafe

Hot baths and saunas are often discouraged during pregnancy due to concerns about overheating. Extremely high temperatures (above 101°F or 38°C) can pose risks such as dehydration or, in rare cases, an increased chance of certain birth defects.

That said, warm baths are safe when used responsibly. Staying hydrated, keeping the water at a comfortable temperature, and limiting time in the bath can help you relax without overheating. Avoid hot tubs and very hot showers, particularly in the first trimester, as this is when the baby’s organs are developing.

Myth 6: Raising Your Arms Can Harm the Baby

Another common myth is that raising your arms above your head or stretching could cause the umbilical cord to wrap around your baby’s neck. This is not true. The baby moves freely in the womb, and cord positioning occurs naturally. While the umbilical cord can occasionally wrap around the neck, it is rarely dangerous and is not influenced by normal maternal movements such as raising the arms. Simple stretching and reaching are completely safe.

Myth 7: You’re Eating for Two

Pregnancy is often associated with increased appetite, leading to the belief that expectant mothers must eat double their usual intake. In reality, most women need only about 300 extra calories per day, ideally from nutritious sources such as fruits, vegetables, whole grains, and lean protein. Overeating can increase the risk of complications like gestational diabetes, high blood pressure, and excessive weight gain.

Focusing on quality over quantity is more important than simply eating more food. Small, frequent meals that provide balanced nutrition are ideal for both mother and baby.

Myth 8: Caffeine Must Be Avoided Completely

Many assume that pregnant women must quit caffeine entirely. While excessive caffeine should be avoided, moderate consumption—about one to two cups of coffee per day—is considered safe. Keep in mind that caffeine is also present in tea, chocolate, soft drinks, and some medications, so it’s important to monitor total intake.

Limiting caffeine can help reduce symptoms such as heartburn or disrupted sleep, but there’s no need for complete abstinence in a healthy pregnancy.

Myth 9: Many Foods Are Completely Off-Limits

Some people believe that pregnancy requires avoiding many types of food. In reality, most foods can be enjoyed safely, with a few precautions. High-mercury fish, like king mackerel and swordfish, should be limited, while salmon and other low-mercury fish are safe in moderation. Deli meats and soft cheeses should be cooked or pasteurized to avoid foodborne illness.

Maintaining a balanced diet with adequate protein, fruits, vegetables, and whole grains is far more important than avoiding certain foods entirely.

Myth 10: Heartburn Means a Hairy Baby

One of the most entertaining myths is that the presence of heartburn during pregnancy predicts a baby’s hair growth. Heartburn is caused by hormonal changes and physical adjustments in the body as the uterus grows, not by the baby’s hair. While it can be uncomfortable, it has no correlation with how much hair the baby will have at birth. Simple remedies, such as eating smaller meals and avoiding spicy foods, can help manage the discomfort.

The Bottom Line

Pregnancy is filled with advice, stories, and myths—some accurate, some not. The best approach is to rely on credible sources of information, such as healthcare providers, evidence-based articles, and trusted medical organizations.

Expectant parents should focus on:

• Staying informed: Seek reliable scientific data.

• Listening to your body: Pay attention to changes and symptoms.

• Maintaining a balanced lifestyle: Eat well, exercise safely, and rest adequately.

• Asking questions: Never hesitate to consult your healthcare provider if you’re unsure about any advice or symptom.

By separating myths from facts, you can enjoy pregnancy with confidence, focus on your health, and prepare for a safe and healthy arrival of your baby.