I am wondering what all this could mean really here recently and may i add this started after a period and has been on going for over 2 weeks now. I have been experiencing mood swings, nausea, heartburn, darkening of the areolas, my lower abdomen has been cramping off and on, my breast seem fuller, sleeping is very difficult, my nails and hair are growing faster and i have been itching like crazy. i have not been on any medications. i do not have any cysts on my ovaries. my periods are not that normal they range from every 28-31 days. i am wondering what is going on because i feel like i am either pregnant or something else is wrong.