Nausea and vomiting of pregnancy is the medical term used for the morning sickness experienced by around 80 percent of all pregnant women. Many women have only vomiting during the first trimester, whereas others have at least some vomiting and nausea. The woman is often tired and experience vomiting and nausea. The vomiting and nausea may leave you miserable and exhausted. Usually, the nausea begins during the six weeks of pregnancy but can happen earlier. Although it is called morning sickness, it can happen at any time of the day. The symptoms are severe in the morning for some pregnant women and ease up during the day. Severe morning sickness may lead to low potassium levels in blood, alkalosis, weight loss and dehydration. The severe symptoms develop in around one to two percent of all pregnant women and it is called hyperemesis gravidarum.(ALSO READ Follow this special diet plan for pregnancy!). Also Read - Coronavirus India Delta Plus Variant EXPLAINED: Symptoms, Vaccine Effectiveness, Can it Trigger a Third Covid Wave?

In most of the cases, the morning sickness poses no health risk to the mother or the baby. Usually after 12th week of the pregnancy, the woman gets relief from the symptoms of morning sickness. For some women, it may take another month to clear the nausea and queasiness. However, for few women, the symptoms may continue until the delivery. Also Read - Eggs, Carrots, Soybeans And Other Food Items That Can Help Kids Grow Taller

Why do you get morning sickness during pregnancy?

Although the exact cause of morning sickness is not known, it is mainly because of the physical and hormonal changes taking place in your body. (ALSO READ What are the symptoms of pregnancy at 1 week? Early signs and symptoms of pregnancy). Also Read - Nipah Virus in India: Symptoms, Causes, Treatment, Prevention And Cure

Human chronic gonadotropin (hCG): This is the first hormone produced by the body right after the conception. According to some experts, there might be a connection between hCG and morning sickness.

Progesterone: The level of progesterone in a woman rises during pregnancy. The increase in progesterone level relaxes the muscles of the uterus to prevent early birth of the child but it may also relax the intestine and stomach. This may cause acid reflux.

Sense of smell: The sense of smell may increases during pregnancy and this might trigger nausea.(ALSO READ How accurate is the home pregnancy test: Everything you should know about home pregnancy test kit).

What can you do to get relief?

 Here are some suggestions that will help. Although these are not supported by studies and evidences, doctors recommend them.

Eat small meals frequently throughout the day.(ALSO READ How to get pregnant: 5 tips for women to conceive faster)

If the smell bothers you, ask someone else to cook and keep the window open to let out the odor.

Do not drink water with the meal. It is advisable to drink fluid half an hour before or after the meal.

Take rest. Your body needs rest, take a nap during the day.

You can sniff lemon, eat watermelons or drink lime juice to relieve nausea.