Why haven't you had your period yet?

 　　Ms. Zhou, a reader from Jilin, asked: My daughter is 18 years old this year. Children of the same age have obvious puberty development, but she has never had menstruation and her breast development is not obvious. Her sense of smell is also poor and she can only smell very pungent smells. What's going on?

　　Peking Union Medical College Hospital Wu Xueyan, chief physician of the Department of Endocrinology, answered: It is recommended that you take your child to the endocrinology department of the hospital to check the hormone status in the body to see if it is Kallman syndrome.

　　Kallman syndrome is a hypogonadotropic hypogonadism accompanied by anosmia or hyposmia and has a certain hereditary nature. This disease can be familial or sporadic, and there are three inheritance modes: X-linked recessive inheritance, autosomal dominant inheritance, and autosomal recessive inheritance. clinical above male Common. Patients present with hypogonadism, short male penis, small testicles or cryptorchidism, and lack of development of secondary sexual characteristics during adolescence (no beard, axillary hair growth, and no voice change). female The patient's internal and external genitalia were underdeveloped, with no breast development during puberty, no axillary or pubic hair growth, and no menstrual cramps. If treated in a timely and standardized manner, you can achieve significant results and even raise your own children. If left unchecked, the opportunity for diagnosis and treatment may be delayed.

　　Warm reminder: Women normally menstruate around the age of 14 to 19, but now they usually menstruate as early as 12 years old. Mothers should pay more attention to this aspect. If the secondary sexual characteristics are not obvious and you have not menstruated until you are older, you should pay attention. Try not to delay. Go to the hospital as soon as possible to check the cause. Early treatment will be of great help to the condition.