Galactosemia

What are other causes of male breast development?

In addition to puberty, male breast enlargement can also be caused by certain drugs (e.g., human growth hormone, 5-alpha-reductase inhibitors (such as finasteride/Propecia), liver scarring, malnutrition, kidney disease, hyperthyroidism, hypogonadism, and testicular tumors.

Last updated on 05-01-20

Can dietary soy cause male breast development?

From our review of the literature, it appears that this question remains incompletely resolved. The answer is likely complex and may depend on age and a variety of other factors. Reports of feminization in humans consuming large quantities of soy are rare. Large population studies have reported small/subtle effects on growth.

The Micronutrient Information Center at the Linus Pauling Institute, is a rich source for information on nutrients and diet. The following page summarizes what is known regarding Soy isoflavones (the phytoestrogens found in soy) and their effects (beneficial and detrimental) on health. For example the page explains that exposure to soy-based formula in infancy does not appear to affect health, growth, and reproduction. We did not find an article about soy consumption throughout infancy and childhood and risks however:
http://lpi.oregonstate.edu/mic/dietary-factors/phytochemicals/soy- isoflavones

Last updated on 05-01-20

Is breast enlargement in teen boys normal?

Yes. Around the time of puberty, about 50 to 60 percent of boys experience breast enlargement. In these boys, breast enlargement typically goes away within six months to two years of onset. This and more can be found at the following link to MedlinePlus.gov:
https://www.nlm.nih.gov/medlineplus/ency/patientinstructions/000650.htm

Last updated on 05-01-20

Newborn Screening

Galactosemia

The Newborn Screening Coding and Terminology Guide has information on the standard codes used for newborn screening tests. Using these standards helps compare data across different laboratories. This resource was created by the National Library of Medicine.

Last updated on 04-27-20

Name: Metabolic Support UK 5 Hilliards Court Sandpiper Way
Chester Business Park
Chester, CH4 9QP, United Kingdom
Phone: 0845 241 2173 Toll Free: 0800 652 3181 Email: https://www.metabolicsupportuk.org/contact-us Url: https://www.metabolicsupportuk.org

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