For a long time Ive wondered about how hormones might be the cause of some BPD behaviour.
There are several tings that made me think of this. Dilated pupils was what got me thinking about it and apart from opiates the hormone oxytocin can cause this. We also produce our own opiates such as serotonin. I also wondered about oxytocin as it is the bonding hormone which in the beginning made me wonder if pwBPD didn't react to oxytocin and that was why relationships when they ended seemed to be forgotten about. It has actually been proven that pwBPD react differently to oxytocin and rather than making them more trusting it has the opposite effect.
Then I got onto thinking about cortisol and behaviours which I witnessed in my exs ( almost fanatical) that are recommended for reducing cortisol.
Another thing was that both my exs couldn't tolerate estrogen based oral contraceptives. I have also read here how post menopause a lot of symptoms can go into remission (not for everyone but for some). I wasn't sure if estrogen could be a factor until I read that men also produce it. This then made it a possible culprit as it also explained why less men where diagnosed than women as men don't have the fluctuations in estogen that women have. I also realised there was a period in my exs pregnancies when the behaviour disappeared. During pregnancy estrogen drops. My exgf also avoided non organic vegetables as she said they didn't affect her like non organic. I found this odd but a lot of the pesticides are estrogen based.
So after all my reading I have a theory with no scientific back up apart from what I have read written by professional but has not been linked together.
My theory is that every brain has a different pattern which is passed down genetically. There are differences with the brain in a pwBPD that have been shown in brain scans. Some are only small but may cause a big difference in how things function. If these differences change the way that estrogen is handled then the body will try and find a different way to cope with it. My theory on this is as cortisol can reduce estrogen then the moods and rages associated with some pwBPD could be their way of reducing estrogen.
There are a number of reasons why if this is true that I don't think it would have been picked up on. irstly I dnt know if anyone has looked. Secondly if the differences make a pwBPD less tolerant to estrogen then their levels wouldn't need to be elevated from normal for it to cause problems.
What I would like to ask if you have managed to get this far is does anyone else have experience with estrogen causing an increase in BPD behaviour? Whether it is reduction post menopause, increase during menstral cycle, increase with oral contraceptives or estrogen based creams?