Pregnancy cravings can start as early as the first trimester, often appearing around weeks 5 to 6 alongside other early pregnancy symptoms. They tend to intensify during the second trimester, then gradually ease for most women in the third trimester, though some experience cravings throughout the entire pregnancy.
Somewhere between 50% and 90% of pregnant women in the U.S. report craving specific foods. In one study of 400 women, 76% had craved at least one food item by week 13. So if you’re suddenly fixated on a food you never cared about before, you’re in very common company.
The Typical Timeline
Most cravings follow a loose arc. They appear in the first trimester, often around the same time nausea and heightened smell kick in. The peak hits during the second trimester, roughly weeks 13 through 27, when cravings are at their most frequent and intense. After that, they generally taper off, though they don’t follow a strict schedule and can shift week to week.
Some cravings are fleeting. Women in one qualitative study described wanting something intensely for a few hours, then losing interest entirely if they couldn’t get it. Others reported craving the same food for days straight until they finally ate it. Both patterns are normal, and your own experience may swing between the two throughout pregnancy.
How Cravings Differ From Aversions
Food aversions, where certain foods suddenly seem repulsive, tend to track closely with nausea. In 60% of women who experienced both nausea and food aversions, both started in the same week. Cravings don’t follow that pattern. They appear on their own timeline, independent of when nausea begins, which is why you might feel sick at the thought of chicken while desperately wanting ice cream in the same afternoon.
Aversions also tend to fade faster. Most ease significantly once morning sickness subsides, usually by the end of the first trimester. Cravings, by contrast, often stick around longer and peak later.
Why Cravings Happen
There’s no single explanation. Researchers have identified four main hypotheses: hormonal shifts, nutritional deficiencies, the rewarding properties of certain foods, and cultural or psychological influences. The reality is likely some combination of all four, varying from person to person.
The hormonal angle makes intuitive sense. The rapid rise in pregnancy hormones during the first trimester reshapes your sense of taste and smell, which naturally changes what foods appeal to you. Your body is also increasing blood volume, building new tissue, and ramping up energy demands, all of which could nudge you toward calorie-dense or nutrient-rich foods.
The nutritional deficiency theory is popular but only partially supported by evidence. Iron deficiency has been linked to cravings for ice (called pagophagia) and for non-food substances like clay or chalk. But most everyday pregnancy cravings for chocolate, fruit, or salty snacks don’t map neatly onto any specific nutrient gap. Craving pickles doesn’t necessarily mean you need more sodium, and wanting sweets doesn’t indicate low blood sugar. The connection between what your body needs and what your brain demands is far less direct than it seems.
What Women Crave Most
The most commonly reported cravings fall into a few broad categories: sweets (chocolate, ice cream, candy), salty or savory foods (chips, pickles, cheese), carbohydrates (bread, pasta, pizza), fruit, and spicy foods. These preferences vary across cultures. Studies in the U.S. and U.K. show high rates of sweet cravings, while research in other countries finds stronger preferences for sour or savory foods.
Cravings can also be surprisingly specific. It’s not just “something sweet” but a particular brand of cookie, or not just fruit but specifically cold watermelon. That level of specificity is one of the things that distinguishes pregnancy cravings from ordinary food preferences.
When Cravings Signal Something Else
Most pregnancy cravings are harmless. But cravings for non-food items like dirt, chalk, laundry starch, ice chips, clay, or paper point to a condition called pica. Pica during pregnancy is associated with iron deficiency anemia, though not every woman with pica is iron-deficient and not every iron-deficient woman develops pica. The diagnostic threshold is persistent non-food eating over at least one month.
If you find yourself wanting to chew ice constantly or feeling drawn to the smell or taste of substances that aren’t food, it’s worth getting your iron levels checked. Pica itself can cause problems: ingesting non-food substances can introduce toxins, block the digestive tract, or interfere with nutrient absorption. The cravings often resolve once the underlying deficiency is treated.
Managing Cravings Practically
Giving in to cravings in moderation is perfectly fine for most women. A bowl of ice cream or a bag of chips won’t derail a healthy pregnancy. The concern arises when cravings consistently replace balanced meals or drive excessive weight gain. If you’re craving sweets constantly, keeping fruit on hand can partially satisfy the urge while adding fiber and vitamins. If salty foods are your thing, pairing them with protein (cheese and crackers rather than chips alone) helps keep you fuller longer.
Some women find that cravings feel less urgent when they eat regular, balanced meals and snacks rather than waiting until they’re very hungry. Hunger and cravings feed off each other, and letting your blood sugar dip too low can make that fixation on a specific food feel overwhelming. Staying well-hydrated also helps, since thirst sometimes masquerades as a food craving.