Breast development extension adrenocorticotropic hormone (ACTH)), and thyroid hormones such as thyroxine (and by extension thyroid-stimulating hormone (TSH) and thyrotropin-releasing hormone (TRH)) also play permissive but less well-understood/poorly-characterized roles in breast development during both puberty and pregnancy, and are required for full functional development. Leptin has also been found to be an important factor in mammary gland development, and has been found to promote mammary epithelial cell proliferation. In contrast to the female-associated sex hormones, estrogen and progesterone, the male-associated sex hormones, the androgens, such as testosterone and dihydrotestosterone (DHT), powerfully suppress the action of estrogen in the breasts. At least one
Causes of sexual violence use of sexual violence, including as a tactic of war to humiliate, dominate, instil fear in, disperse and/or forcibly relocate civilian members of a community or ethnic group." Refugees and internally displaced people who flee their homes during war and major disasters can experience human trafficking for sexual or labour exploitation due to the breakdown of economies and law and order. Speaking at the UN General Assembly in 2010, the UN Special Rapporteur on Violence Against Women, its Causes and Consequences noted women’s particular vulnerability and increased risk of experiencing violence following disasters. Following the 2010 Haiti earthquake, large numbers