Glossary of terms

Glossary of terms

You may have come across a few words you were unfamiliar with. Below are explanations of common words that are related to morning sickness and pregnancy.

ACOG: The American Congress of Obstetricians and Gynecologists
(ACOG) is a professional association of medical healthcare professionals specializing in obstetrics and gynecology in the United States. It has a membership of over 55,000 and represents 90% of US board-certified obstetricians/gynecologists.

Dehydration: The loss of water and salts essential for normal body function.

Emesis: The medical term for vomiting.

Hyperemesis gravidarum: A condition characterized by severe nausea, vomiting, weight loss, and electrolyte disturbance. Mild cases are treated with dietary changes, rest, and antacids. More severe cases often require a stay in the hospital so that the mother can receive fluid and nutrition through an intravenous line, or IV.

Light-headedness: A feeling that you are going to faint that is medically distinct from dizziness, unsteadiness, and vertigo.

Morning sickness: A condition that affects more than half of all pregnant women. Symptoms are nausea and/or vomiting that sometimes are present in the early hours of the morning and reduce as the day progresses. However, it can occur at any time of the day.

Nausea: A queasiness in your stomach, which can be triggered by the sight of food or certain smells, that results in an uncontrollable urge to vomit.

NVP: Stands for nausea and vomiting of pregnancy and is commonly referred to as morning sickness. NVP not only occurs in the morning, but can also affect 80% of pregnant women during the afternoon and evening hours, too. Severe cases of NVP, called hyperemesis gravidarum, can put women at risk of dehydration and significant maternal weight loss that often requires hospitalization.

PUQE: Stands for Pregnancy-Unique Quantification of Emesis and measures the severity of NVP by focusing on the number of hours of nausea and the number of episodes of retching and vomiting, as well as overall well-being scores over the course of 24 hours.

Retching: An uncontrollable urge to vomit and is a common symptom of morning sickness.

Symptom: Any subjective evidence of disease or a patient’s condition that indicates some bodily or mental state.

Shared morning sickness tips

The Knowledge Center is where important updates and insights are shared on topics important to expectant moms.

Take me there

Talking to your healthcare professional

Don’t ignore NVP, learn what you can do.

Get help

What does NVP stand for?

NVP is a medical condition called nausea and vomiting of pregnancy.

Learn more

Talk to your healthcare professional about your morning sickness symptoms and options that are safe for you and your baby.