(17-05-2016, 08:53 AM)bobie Wrote: (17-05-2016, 02:25 AM)Lotus Wrote: (16-05-2016, 11:48 PM)bobie Wrote: (10-05-2016, 07:06 PM)Lotus Wrote: (10-05-2016, 02:28 PM)jannet.duff Wrote: So if I read between the lines, pharma HRT effects ER-a, but PM effects ER-b. So, if I add some PM back into the mix it should assist growth rather than hinder it.
Yes E2 binds with ER-a, however!........bioidentical progesterone is still needed to complete ductal side branching (rounding). Too much prolactin produces tubular growth, while E2 produces elongation. Add in growth hormone and essential fatty acids and hopefully things start happening lol, (albeit a slow process). 

I still wouldn't use PM with HrT:
Quote:miroestrol competes with estrogen and blocks the excessive stimulation of estrogen receptors often seen with breast or endometrial cancer.
How much prolactin is too much? as you may remember my levels have always been high, nearly double what the nhs would like at my last blood test
A few things stick out. Are the labs drawn at the times of the day (a few hours after waking up). I'd bet you have nil for T (or close to it, less than 25 ng/dL). Other things to look at are liver function, hypothyroidism, cirrhosis, stress, dopamine.
High prolactin could also mean you're having too much E2 in an HrT program.
I have always had my blood drawn around the same time, mid morning, i did consider how prolactin is highest during sleep so tend to get up a bit earlier on days of blood tests, yes my t is low, generally around 0.5 - 0.7 nmol/l which is to be expected on the gnrh analogues, liver function & thyroid have always come back fine, stress well plenty of that at times but i think i have it under control at the moment, you may remember me asking before whether finasteride can increase dopamine, well im still on the finasteride, my e2 levels have been pretty rubbish tbh at around 80pg/ml on 8mg oral e2 (4mg twice a day), i really want to try injections later in the year and see if that works for me
80 pg/mL @ 8mg is rubbish tbh. This has to be a metabolism/bioavailability issue, 8 mg of E2 should yield 4-5 times your test results. I take half of what you do and get +800 pg/mL (last 3 blood tests). From my experience I've been splitting sublingual/oral delivery. But,,,, I tend to think a few things make my level higher, my T is in the cellar, (prolactin is normal), I either drink
green tea or take GTE, take lemons in 6-8 cups of water, 2 oranges per day (all inhibit CYP17A1 and promote C19 aromatase).
600 pg/mL E2 is supposed to be optimal feminization range, although docs are overly cautious to even come close to that range and would rather it be 200-400 pg/mL. I'd also be inclined to say that you take steps to reduce stress in your daily life. Cut sugars, alcohol, meds that interfere with metabolism (aka P450 enzyme inducers) that reduce bioavailability of HrT.
If you went IM ? I'd also check on pellets (or implants). Long term? if T is in the CC range I'd rule out an orchi and save for SRS, just my opinion though.