Hello, welcome to Healthcaremagic. you must decribe in detail your headache as per location, frequency, type of pain, association with nausea
. It could be due to several reasons like migraine
, hypertention, post partum changes or even as a result of anesthetic
drugs in case you had cesarean delivery. You must visit your doctor and get yourself thoroughly examined and blood tests done. Only after that a proper diagnosis can be made regarding your condition and treated. Wish you good health.