Welcome Vinia
I would say to start slow on PM and a lot of massages etc to your breast, lots of good vitamins and dont use a whole lot of other herbs with PM, but look into the amino acids for growth hormones, GABA, MSM etc. Lotus haas great info here on the board. But if you do want to live full time as a women then get to a Dr and be safe and monitored and get on HRT. But PM is a great jump start, just dont over do it.
I would do only 1 500 mg rated pill a day, drink lots of water and plenty of vitamin D3+ calcium too, milk, ic cream, yogurts and apply warm heat to increase the blood flow. after a few weeks do 2 500 pills a day. Many do 3 to 4, but for me it seemed every time I stopped I had more growth and evidently I settle for 1 500 and some times take 2 day But I think age for mid life males have E levels close to menopausal gals. So you can get E dominant and it only takes enough E to tip the scale and start the process and let the body and mind do the rest. But we are all so different! I learned this because I then added Progesterone and WOW well that is another thread OK..and it was just what I needed. but many even on HRt Drs dont go there, but there is so much to learn and know about P and how it helps with growth inflammation cellar protection etc. I highly advise you read read and learn a lot from here and other T gal related sites.
Now a few words of wisdom. OK I feel like most of the others I could write a book and I should and will soon do a detailed write up on my last 8 + months. But I did many herbs on and off and other site systems, noogled, nature day etc off and on, had GYNO as a teen, but went away by late teens. Always had a decent size chest worked out a lot etc. I also wanted my own breast too and even though looked buff etc, very similar story to Jenner. Maybe I was making my inner girl as a fitness junkie.
I so many times would start stop, pitch stuff, ask myself what the hell, then like someone falling off the wagon repeat the cycle off and on for years. So I was about a 40 AA cup and a decent hand full and a part time cross dresser at home only.
So lets fast forward, new heard about PM till I came here, WOW game changer. And yes even in a month it was like new had breast buds, just fat increase in breast. The budding was sore, exciting and looks like real breast not MOOBS. Also and this is the biggest change, mentally now I feel like a girl more than a boy and really want more than cross dressing Am on the border of more girl than boy and even my bottom end and waist have dramatically changed. All was just good boob growth and am a solid pretty full B at month 6, then like BAMM middle age guy, t levels dropped since on top of the PM I stopped hard workouts, cut back to little to no caffine for past few months. Anyway sorry to ramble, but in the past 6 weeks it is like overnight my hips and thighs are like a real girl. Skin was already soft at about 2-3 months. But heck I have a touch of female looking cellulite in my thighs, and all looks of cut up quads are gone.
So in a nut shell I want to for warn you this word of advise. I just wanted some breast growth, but PM made me want to be a more of a women not just physically but more so mentally. I feel like and think more female now and love love my new body shape and feel. So make sure to have caution, it seemed at least for me that PM mentally got me thinking so different and it is addicting like nothing I have every tried. I have to were womens pants and undies not a bad thing, but male pants wont for me all any more. I went from 40AA, waist 33, hips 36, now 38B, 30 waist and 39 hips and very full thighs.
Lastly I was always a tad concerned that maybe the growth could to fast, to much etc But in months 4, 5, and 6 months, I kept saying weel one more month of PM is going to push me over the edge to femininity. OH FUDGE, it is like over the past few weeks in just a pair of short shorts I have good curves and you can not hide the top or the bottom. Lost a lot of strength and size and now have to eat a lot less too. and you boy parts will not work so good nor at all, and make sure you are OK with that too. I will spare the details
Anyway sorry to go on and on, this should be and is about you not me, I just wanted to give you my real world take. I was looking at just some breast growth and now well i got more than I bargained for and it is scaring me a bit since it took a HUGE growth all at once and i was not able to stop or slow down. See my mind is now not wanting to stop , I am way happy yet a but scarred. Yet I continue.
Best to you, read a lot and make sure OK. Maybe you wont grow this good, I think I am like some of the gals on HRT, I know of a few that in like 3 months went from A or AA to C and D cups and it became a issues to fast with work, family etc.
Hugs