Secondary sex characteristic dysfunction includes a lack of breast development and pubic hair.

第二性征的功能障碍包括乳房发育障碍和阴毛的缺失。

Rarely males can see some breast development during puberty.

很少有男性能在青春期看到一些乳房发育。

Because it causes streak ovaries, Turner syndrome is also the most common cause of primary amenorrhea, which is when a female has not begun breast development by age 13 or hasn't had menarche by age 15.

由于会导致条索状卵巢，因此特纳综合征也是原发性闭经的最常见原因；原发性闭经是指女性在13岁之前没有乳房发育，或到15岁尚未月经初潮。