Edema or swelling of the legs and arms is a normal sign of pregnancy . The body changes occurring during this time are to be blamed for the symptom, while gravity is responsible for making it more evident in the extremities . Your feet and ankles are more susceptible to swelling while other affected areas may include the knees, hands and fingers. Most women experience the symptom during the third trimester, but it can occur in the first and second trimesters as well. Usually, there is nothing to worry about swelling while pregnant; but, in rare cases it may indicate serious underlying problems and complications.
The increasing body fluid volume to provide your baby with oxygen and necessary nutrients is often the main cause behind the swelling . Your body tissues retain the extra fluid, causing swollen feet, ankles and hands at the end of the day.
Two types of swelling can be noticed during this time:
The following preventive measures can also come useful to manage minor puffiness:
The symptom usually goes away on its own after delivery. Here are some treatment measures that help with its management:
Here is a simple exercise you can do while sitting down or even standing :
ICD-9 codes of 782.2, 784.2, 786.6 and 789.3  are used for indicating swelling while its ICD-10 code is R22 .