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Can Morning Sickness Suddenly Stop?

Morning sickness is caused due to various reasons, the most common being the altered hormonal level. This is the common condition and occurs mostly in between 4th week to 10th week. Some women may also develop it after 20 weeks of pregnancy.

Can Morning Sickness Suddenly Stop?

Can Morning Sickness Suddenly Stop?

Starting And Stopping Of Morning Sickness

Morning sickness is the condition seen commonly in pregnancy. The women suffering from morning sickness presents various symptoms such as nausea and vomiting. The severity of the condition varies according to the tolerability as well as the term of pregnancy. The morning sickness, unlike the name given, can occur at any time of the day, although its incidence of occurring is high in the morning. The symptoms of morning sickness develop in 3rd to 7th week of pregnancy and the severity increased till the 10th month. However, as the body adjusts the changes in the hormonal concentration, the level of severity reduces after the 14th week. However, there are instances when women may also develop the symptoms of morning sickness even after the 20th week of pregnancy.

The primary cause of the morning sickness is the changes in the serum concentration of hormones due to conception and progression of pregnancy as these hormones are essential for the maintenance of pregnancy, prevents miscarriage and stops pre-term labor. The body has to tolerate the changes in the hormone. The women whose body tolerates this change may not have or have a very mild form of morning sickness and the women whose body does not able to adjust present symptoms of morning sickness which are moderate to severe.

The symptoms of morning symptoms may either stop suddenly or may gradually decrease as the body starts tolerating the level of hormones.

Symptoms Of Morning Sickness

Morning sickness is a common occurrence in pregnancy and occurs in varied severities. Some conditions progress to cause hyperemesis gravidarum while the other symptoms in others subside after some time. Following are the symptoms encountered by the woman suffering from morning sickness:

Nausea. Nausea is the most common symptoms of mild, moderate or severe conditions of morning sickness. Nausea is the condition characterized by the urge to vomit and the patient experiences dizziness.

Vomiting. Vomiting is a common occurrence in most of the patients. The vomiting may be due to eating food that irritates the stomach or due to irritated odor. However, in many cases, the vomiting occurs due to an internal reason. The patient may suffer from severe incidences of vomiting also known as hyperemesis gravidarum.

Dehydration. Dehydration is the condition when there is a reduced amount of water in the body. Dehydration lowers the blood circulation due to reduced blood volume. Further, dehydration also alters the concentration of vital electrolytes inside the body that hampers various physiological functions.

Loss Of Appetite. The appetite of the patient is significantly reduced due to frequent nausea and vomiting. Further, a psychological thought process is all involved which flows to indicate more food means more feeling of nausea and vomiting.

Fatigue. Due to frequent vomiting and loss of appetite, the patient feels weak, tired and experiences fatigue.

Tachycardia. Tachycardia is a condition characterized by the presence of an increased heartbeat. The condition may be caused due to excessive dehydration and vomiting in morning sickness.

Headache. Headache is another symptom present in the patient suffering from morning sickness. The headache may be partly due to dehydration and reduced circulation in the brain. It may also be due to muscular stretch during the process of vomiting.

Reduced Urination. The urination in the dehydrated patients gets reduced as the mechanism of staring the water inside the body, due to dehydration, initiates.

Weight Loss. The unintended weight loss is also seen in patients suffering from morning sickness.


Altered level of hormones is the primary reason for morning sickness. If the body tolerates this altered hormonal level, there are chances that the morning sickness suddenly stops.


  1. American College of Obstetricians and Gynecologists. (2020). Morning Sickness: Nausea and Vomiting of Pregnancy. https://www.acog.org/patient-resources/faqs/pregnancy/morning-sickness-nausea-and-vomiting-of-pregnancy
  2. National Health Service (NHS). (2021). Morning Sickness. https://www.nhs.uk/pregnancy/related-conditions/complications/morning-sickness/
  3. Mayo Clinic. (2021). Morning Sickness: Symptoms & Causes. https://www.mayoclinic.org/diseases-conditions/morning-sickness/symptoms-causes/syc-20375254
  4. American Pregnancy Association. (2021). Morning Sickness. https://americanpregnancy.org/pregnancy-health/morning-sickness-during-pregnancy/

Also Read:

Pramod Kerkar, M.D., FFARCSI, DA
Pramod Kerkar, M.D., FFARCSI, DA
Written, Edited or Reviewed By: Pramod Kerkar, M.D., FFARCSI, DA Pain Assist Inc. This article does not provide medical advice. See disclaimer
Last Modified On:August 16, 2023

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