Phenotype: Gynecomastia (male breast tissue) Rss

Gynecomastia is swelling of the breast tissue in boys or men, caused by an imbalance of the hormones estrogen and testosterone. Gynecomastia can affect one or both breasts, sometimes unevenly.

Suggested answers:

Both, permanent
Both but went away on its own
One only, permanent
One only but went away
Not present

User Variation
Gollaher michaelm 2008alaskapioneerpeep OGolly no
Standard head Allen Jensen Both, permanent
Standard head atelepen N/A, female
Profile Ian Davies No
2013 1 kell N/a, female
Avatar body Anaro Lexnon No
Standard head Zizi N/a, female
Standard head PoisonIvy N/a, female
Standard head Stacy Klostermann N/a, female
Standard head saintsimon No
Standard head cole tate No
Standard head Ben Johnson No
Standard head Seyed Saeed Sheydaei Both, permanent
Img 5279 Kristen L. Ramsay N/a, female
Standard head Issa Ashhab No
Standard head B N/a, female
Standard head Duane Kaufman No
Standard head drharris Both, permanent
Standard head markanini Both, permanent
11150372 10206491422706028 4530595821740205544 n frankram72 No
Download Ham Both, permanent
Standard head Brian Pardy No
Standard head lms18808 N/a, female
Iphone 605   copy min stephen bradley No
Standard head Mark Jacobs No
Standard head Canadajack No
Standard head lefons82 No
Known Phenotypes:
  • No
  • Both, permanent
  • N/a, female