Final answer:
Primigravida is a medical term indicating a woman who is pregnant for the first time, which matches option a) Patient is experiencing her first pregnancy.
Step-by-step explanation:
The term primigravida refers to a woman who is pregnant for the first time. When you see this term in a patient's chart, it means the patient is experiencing her first pregnancy. Therefore, the correct interpretation of primigravida from the given options is a) Patient is experiencing her first pregnancy.