Pregnancy can bring about a range of physical changes and symptoms, from morning sickness to back pain. However, one of the most intriguing aspects of pregnancy is the sudden onset of cravings for specific foods. While some cravings may be fairly common, such as a desire for pickles or ice cream, others can be quite unusual. In this comprehensive guide, we’ll delve deeper into the science behind pregnancy cravings, when they typically begin, how long they last, and other important information to help you navigate this fascinating aspect of pregnancy.

The Science Behind Pregnancy Cravings

The exact cause of pregnancy cravings is not fully understood, but several factors contribute to their occurrence. Hormonal changes play a significant role in altering taste and smell perceptions, making certain foods more appealing. Additionally, nutritional deficiencies, such as a need for specific vitamins or minerals, may trigger cravings as the body seeks to meet its requirements. Emotional and psychological factors, cultural influences, and past experiences with food can also shape pregnancy cravings.

When Do Cravings Begin?

Cravings can start as early as the first trimester, although they tend to become more pronounced in the second and third trimesters. Hormonal fluctuations intensify during this time, leading to increased cravings. It’s important to note that not all women experience cravings, and their intensity and frequency can vary widely.

How Long Do Cravings Last?

The duration of pregnancy cravings varies from woman to woman and can even change throughout pregnancy. Some women may experience cravings for only a few weeks, while others may have them throughout the entire pregnancy. Cravings often subside after delivery, but it’s not uncommon for some lingering preferences to remain.

10 Weird and Wonderful Pregnancy Cravings

  1. Dirt and Clay

One of the most unusual pregnancy cravings is a desire to eat dirt or clay. This is known as pica, a condition that involves craving and consuming non-food items. While the exact cause of pica is unknown, it’s thought to be linked to nutritional deficiencies, such as anemia.

  1. Chalk

Similar to a craving for dirt or clay, some pregnant women may experience a craving for chalk. This can be especially dangerous, as consuming chalk can lead to serious health problems, such as lead poisoning.

  1. Coal

Another bizarre craving that some pregnant women experience is a desire to eat coal. While it may seem strange, coal contains a number of minerals that can be beneficial during pregnancy, including iron and calcium. However, consuming coal can also be harmful, as it can lead to digestive issues and constipation.

  1. Ice

Craving ice is a fairly common pregnancy symptom, and it’s thought to be linked to anemia. While it may seem harmless, eating large amounts of ice can be damaging to teeth and can also lead to digestive issues.

  1. Sour Foods

Many pregnant women crave sour foods, such as pickles or lemons. This is thought to be linked to changes in taste buds during pregnancy, as well as a desire for more acidic foods to help with digestion.

  1. Spicy Foods

Another common craving during pregnancy is for spicy foods, such as hot sauce or jalapenos. This is also thought to be linked to changes in taste buds, as well as a desire for foods that can help speed up metabolism.

  1. Red Meat

Some pregnant women may experience a craving for red meat, such as steak or hamburgers. This is thought to be linked to a need for more protein during pregnancy, as well as a desire for foods that are high in iron.

  1. Fruit

Craving fruit is a common pregnancy symptom, and it’s thought to be linked to a desire for more vitamins and minerals. Some pregnant women may also crave specific fruits, such as watermelon or strawberries.

  1. Peanut Butter

Peanut butter is another common pregnancy craving, and it’s thought to be linked to a need for more protein and healthy fats. Some pregnant women may also crave other nut butters, such as almond or cashew butter.

  1. Ice Cream

Finally, no list of pregnancy cravings would be complete without mentioning ice cream. This sweet treat is a classic pregnancy craving, and it’s thought to be linked to a desire for more calcium and other nutrients.

Managing and Satisfying Cravings

While it’s essential to listen to your body’s signals, it’s equally important to make mindful and nutritious choices to support a healthy pregnancy. Here are some strategies for managing and satisfying pregnancy cravings:

  1. Moderation: Enjoy your cravings in moderation to maintain a balanced diet and prevent excessive weight gain.
  2. Healthy Alternatives: Seek healthier options that satisfy your cravings while providing the necessary nutrients. For example, if you’re craving something sweet, opt for natural fruit or yogurt.
  3. Balanced Meals: Focus on consuming a variety of nutrient-dense foods to meet your nutritional needs and reduce the intensity of cravings.
  4. Hydration: Sometimes, what may seem like a craving could actually be a sign of dehydration. Stay adequately hydrated throughout the day.
  5. Emotional Support: Pregnancy cravings can sometimes be challenging to navigate emotionally. Seek support from your partner, friends, or healthcare provider to help you manage cravings in a positive way.

Understanding and Addressing Unusual Cravings

While many pregnancy cravings are harmless, some unusual cravings may indicate nutritional deficiencies or underlying health issues. Cravings for non-food items, known as pica, can be dangerous and should be addressed with your healthcare provider. They can help identify any deficiencies and recommend appropriate supplements or dietary adjustments to support a healthy pregnancy.


Pregnancy cravings can be a unique and sometimes puzzling aspect of the pregnancy journey. Understanding the science behind cravings, their timing, and duration can provide valuable insights and help you make informed choices. Remember to embrace your cravings in moderation, choose healthier alternatives, and seek support from your healthcare provider for any concerns or questions you may have.

If you have further questions about pregnancy cravings or any other pregnancy-related concerns, schedule your appointment with Mt. Auburn OBGYN today. Our experienced healthcare professionals are dedicated to providing personalized care and guidance to support you throughout your pregnancy journey.