title: Response to letter to the Editor from Dr. Carbillon on our article about first pregnancy characteristics, genetics, and breast density.
authors.affiliation: Marin County Department of Health and Human Services, 3240 Kerner Blvd., San Rafael, CA, 94901, USA, lprebil@marincounty.org.
authors.forename: Lee Ann
authors.initials: LA
authors.lastname: Prebil
mesh_terms: D001940:Breast / Q000473:pathology*; D001943:Breast Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D046110:Hypertension, Pregnancy-Induced; D042361:Mammary Glands, Human / Q000002:abnormalities*; D011247:Pregnancy; D017526:Receptor, IGF Type 1 / Q000235:genetics*; D042461:Vascular Endothelial Growth Factor A / Q000235:genetics*
chemical_list: D042461:Vascular Endothelial Growth Factor A; D017526:Receptor, IGF Type 1