How to Calculate the Corrected Monthly Age of Premature Infants
About Corrected Monthly Age (CMA)
The corrected monthly age (CMA) of a premature infant is a way of calculating the infant's developmental age by taking into account the time they spent in the womb. This is important because premature infants may have different developmental needs than full-term infants, and their age should be adjusted accordingly.
To calculate the CMA, you will need to know the infant's date of birth and the date they were born. You will then subtract the number of weeks the infant was born early from their chronological age. For example, if an infant was born 10 weeks early and is now 12 weeks old, their CMA would be 2 weeks.
The CMA is used to help doctors and parents track the infant's development and make sure they are meeting their milestones. It can also be used to determine when the infant is ready to start solid foods, receive vaccinations, and other important milestones.
Popular Science about Two Common Monthly Ages
Postmenstrual Age (PMA)
Postmenstrual age (PMA) is the most common type of corrected monthly age. It is calculated by adding the number of weeks the infant was born early to their chronological age. For example, if an infant was born 10 weeks early and is now 12 weeks old, their PMA would be 22 weeks.
PMA is used to track the infant's growth and development in the womb. It is also used to determine when the infant is ready to be born.
Corrected Gestational Age (CGA)
Corrected gestational age (CGA) is another type of corrected monthly age. It is calculated by subtracting the number of weeks the infant was born early from their chronological age. For example, if an infant was born 10 weeks early and is now 12 weeks old, their CGA would be 2 weeks.
CGA is used to track the infant's development outside of the womb. It is also used to determine when the infant is ready to start solid foods, receive vaccinations, and other important milestones.
Which Corrected Monthly Age Should I Use?
The type of corrected monthly age you use will depend on the infant's needs and the reason you are calculating it. PMA is the most common type of corrected monthly age and is used for most purposes. However, CGA may be more appropriate in some cases, such as when the infant is being evaluated for developmental delays.
If you are unsure which type of corrected monthly age to use, you should talk to your doctor. They can help you determine the best way to track your infant's development.
Other Important Information
In addition to the CMA, there are a few other important things to keep in mind when tracking the development of a premature infant. These include:
Head circumference: The head circumference of a premature infant should be measured regularly to ensure that it is growing properly.
Weight: The weight of a premature infant should also be monitored closely. Premature infants may need to be fed more frequently than full-term infants to gain weight properly.
Length: The length of a premature infant should be measured regularly to ensure that they are growing properly.
Development: Premature infants may have different developmental needs than full-term infants. It is important to track their development closely and to provide them with the support they need to reach their milestones.
If you have any concerns about the development of your premature infant, you should talk to your doctor. They can help you determine if your infant is on track and provide you with the support you need to help them thrive.
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