Amenorrhea - Wikipedia
Constitutional delay of puberty is not due to a pathologic cause. It is considered a variant of the timeline of puberty. ... Constitutional delay of puberty is a diagnosis of exclusion that is made when the workup for primary amenorrhea does not reveal ... Patients with constitutional delay of puberty may be monitored by an endocrinologist, but definitive treatment may not be ... This may be due to genetics, as some cases of constitutional delay of puberty are familial. Physiologic amenorrhea is present ...
Multiple endocrine neoplasia type 2B - Wikipedia
... delayed puberty. Unlike Marfan syndrome, the cardiovascular system and the lens of the eye are unaffected.[citation needed] ... and should be performed without delay as soon as a diagnosis of MEN2B is made, even if no malignancy is detectable in the ...
Pubarche - Wikipedia
... both estrogen production and secretion will also decrease resulting in delayed puberty, and with it, delayed pubarche. Other ... true precocious puberty that includes complete and central precocious puberty and 2) incomplete puberty which has 3 subsets: ... Another cause of delayed puberty in both males and females is hypogonadotropic hypogonadism, which is a condition in which the ... Therefore, in order to determine if delayed pubarche is a health issue or not, looking for the signs of puberty happening and ...
Hypergonadotropic hypogonadism - Wikipedia
In children with delayed puberty, hypogonadism can be distinguished from constitutional delay through family history, with ... As individuals progress onto adolescence, they may experience absent or delayed puberty or puberty that starts but fails to ... In males with HH, most of the studies have focused on Klinefelters syndrome and constitutional delay of growth and puberty ( ... Dye AM, Nelson GB, Diaz-Thomas A (January 2018). "Delayed Puberty". Pediatric Annals. 47 (1): e16-e22. doi:10.3928/19382359- ...
Testicular atrophy - Wikipedia
Misra M, Lee MM (2005). "Delayed puberty". Pediatric Endocrinology. Mosby. pp. 87-101. doi:10.1016/B978-0-323-01825-8.50035-1. ... Symptoms before puberty are centered more around the stunting of sexual characteristics associated with hormonal changes, while ... Normal testosterone levels in people with testes who have not yet hit puberty are less than 20 nanograms per deciliter. Low ... As a person with testes hits puberty, androgen, a steroid sex hormone, is produced at an increased rate, which creates terminal ...
Adolescence - Wikipedia
These factors can also contribute to precocious and delayed puberty. Some of the most significant parts of pubertal development ... During puberty, bones become harder and more brittle. At the conclusion of puberty, the ends of the long bones close during the ... For girls, puberty begins around 10 or 11 years of age and ends around age 16. Boys enter puberty later than girls-usually ... Before puberty, there are nearly no sex differences in fat and muscle distribution; during puberty, boys grow muscle much ...
Start school later movement - Wikipedia
This same shift to a delayed phase in the release of melatonin during puberty has also been seen in other mammals. The shifted ... Carskadon, Mary A.; Vieira, Cecilia; Acebo, Christine (May 1993). "Association between Puberty and Delayed Phase Preference". ... Schools Recently Delaying Start Times Start Time Activity By State Hale, Lauren; Troxel, Wendy; Buysse, Daniel J. (2020). " ... In 2012 a study using data from Wake County, North Carolina, showed that delaying middle school start times by one hour, from ...
Gonadotropin-releasing hormone agonist - Wikipedia
Delaying puberty in individuals with precocious puberty. Delaying puberty pending treatment decisions in children with gender ... early puberty in children, as a part of transgender hormone therapy, and to delay puberty in transgender youth among other uses ...
Kallmann syndrome - Wikipedia
... from a straightforward constitutional delay of puberty. However, if puberty has not started by either age 14 (girls) or 15 ( ... Evaluating Delayed Puberty". Medscape Pediatrics. Jones H, ed. (2008). "Chapter 9: Puberty & Fertility". Testosterone ... The diagnosis is often one of exclusion found during the workup of delayed puberty. In males, the use of age appropriate levels ... Pitteloud N (December 2012). "Managing delayed or altered puberty in boys". BMJ. 345 (Dec 3): e7913. doi:10.1136/bmj.e7913. ...
Cotton-top tamarin - Wikipedia
This suppresses sexual behavior and delays puberty. Unrelated males that join the group can release the females from this ...
Gonadorelin - Wikipedia
... delayed puberty, cryptorchidism, and infertility. Unlike other GnRH analogues, it is not used to suppress sex hormone ...
Adolescent sleep - Wikipedia
Carskadon, Mary A.; Vieira, Cecilia; Acebo, Christine (1 May 1993). "Association between Puberty and Delayed Phase Preference ... In particular, puberty has been explored as a contributor to changes in adolescent sleep. Luteinizing hormone (LH) is secreted ... Puberty is thought to contribute to poor sleep during adolescence as teens undergo physical and social maturation. A burgeoning ... "Synchronization of Augmented Luteinizing Hormone Secretion with Sleep during Puberty". New England Journal of Medicine. 287 (12 ...
Norman Spack - Wikipedia
Spiegel, Alix (8 May 2008). "Q&A: Doctors on puberty-delaying treatments". National Public Radio. Retrieved 21 December 2008. ... Spiegel, Alix (8 May 2008). "Parents consider treatment to delay sons puberty". National Public Radio. Retrieved 21 December ... He helped co-found a treatment plan at the clinic called Gender Services Program (GEMs) that aims to slow puberty down for ...
Congenital iodine deficiency syndrome - Wikipedia
In children, bone maturation and puberty are severely delayed. In adults, ovulation is impeded and infertility is common. ... delayed bone maturation and puberty in children; and mental deterioration, neurological impairment, impeded ovulation, and ... developmental delay, and other abnormal features. "Congenital hypothyroidism: MedlinePlus Genetics". medlineplus.gov. Retrieved ...
Aspartylglucosaminuria - Wikipedia
Around puberty, a gradual decline in mental abilities and motor skills occurs. This progressive decline continues until about ... Around the age of 2-4 years, they begin showing signs of developmental delay, but development is still progressing. Initial ... Development continues until about puberty; however, an individual at 13-16 years of age typically shows mental and motor ... because they tend to go through puberty earlier. Epilepsy may develop in adulthood. Finnish studies have shown that life ...
XYY syndrome - Wikipedia
Developmental delays and behavioral problems are also found, but these characteristics vary widely among affected boys and men ... Ratcliffe, Shirley G.; Pan, Huiqi; McKie, Mark (November-December 1992). "Growth during puberty in the XYY boy". Annals of ... Expressive and receptive language delays and reading disorders are common. ... delay in speech and language development, and the need for extra help in school. Bardsley, Martha Zeger; Kowal, Karen; Levy, ...
Turner syndrome - Wikipedia
In undiagnosed preadolescents and adolescents, growth delay may be mistaken for a side effect of delayed puberty and improperly ... Puberty is delayed or absent in Turner syndrome. A 2019 literature review found that 13% of women with a 45,X0 karyotype could ... In the Turners context, diagnosis may in particular be missed due to growth delay; such conditions cause growth delay and ... delayed or absent puberty, and infertility. The phenotype of Turner syndrome is affected by mosaicism, where cell lines with a ...
Neonatal-onset multisystem inflammatory disease - Wikipedia
Delayed puberty and secondary amenorrhoea are not uncommon. Hoarseness due to inflammation of the laryngeal cartilage has also ... Almost all children are remarkably short and have growth delay. Fever is extremely common but inconstant and is most often mild ...
Pallister-Killian syndrome - Wikipedia
... delayed closure of the anterior fontanel; and/or delayed puberty in males but not females. PKS is caused by an sSMC that ... delayed teeth eruption, and/or missing or double teeth; patchy skin depigmentations; skeletal anomalies such as limb shortening ...
Bone age - Wikipedia
Bone maturation is delayed with the variation of normal development termed constitutional delay of growth and puberty, but ... someone starting puberty and hitting PHV later than average), being a late bloomer with delayed puberty, or having another ... Soliman, AshrafT; Sanctis, VincenzoDe (2012). "An approach to constitutional delay of growth and puberty". Indian Journal of ... such as constitutional growth delay, precocious puberty, thyroid dysfunction, growth hormone deficiency, and other causes of ...
Thalassemia - Wikipedia
Puberty may also be delayed in children with thalassemia. Heart problems: Diseases, such as congestive heart failure and ...
Testicular torsion - Wikipedia
However, if delayed for 12 or more hours the testicle is typically not salvageable. About 40% of people require removal of the ... It is most common just after birth and during puberty. It occurs in about 1 in 4,000 to 1 in 25,000 males under 25 years of age ... Torsion most commonly occurs either in the newborn or just before or during puberty. Testicular torsion often occurs before or ... In the healthy patient, initial images show symmetric flow to the testes, and delayed images show uniformly symmetric activity ...
Anti-Müllerian hormone - Wikipedia
These included problems with fertility, delayed puberty, and erratic ovulation. To reverse it, the researchers dosed the ... Studies on CoQ10 supplementation in an aged animal model delayed depletion of ovarian reserve, restored oocyte mitochondrial ... may be involved in the onset of puberty in both sexes. Functional AMH receptors have also been found to be expressed in neurons ... it does not change significantly during puberty. The rise during childhood and adolescence is likely reflective of different ...
Lead - Wikipedia
High blood levels are associated with delayed puberty in girls. The rise and fall in exposure to airborne lead from the ...
Songmaster - Wikipedia
They are given drugs that delay puberty for five years. The drugs also make them sterile. A few specially talented singers are ...
Henry K. Beecher - Wikipedia
T. C. Graves (1920). "Commentary on a case of Hystero-epilepsy with delayed puberty". The Lancet. 196 (5075): 1135. doi:10.1016 ...
Cetrorelix - Wikipedia
These included problems with fertility, delayed puberty, and erratic ovulation. To reverse it, the researchers dosed the ...
Placebo in history - Wikipedia
T. C. Graves (1920). "Commentary on a case of Hystero-epilepsy with delayed puberty". The Lancet. 196 (5075): 1135. doi:10.1016 ... Graves TC (1920). "Commentary on a case of Hystero-epilepsy with delayed puberty". The Lancet. 196 (5075): 1135. doi:10.1016/ ...
Menarche - Wikipedia
Adrenarche Delayed puberty Gonadarche Lina Medina, who had her menarche at age 8 months and is the youngest mother in history ... Wei C, Crowne EC (May 2016). "Recent advances in the understanding and management of delayed puberty". Archives of Disease in ... Short stature, delayed growth in height and weight, and/or delayed menarche may be the only clinical manifestations of celiac ... the delay is referred to as primary amenorrhea. Certain systemic or chronic illness can delay menarche, such as undiagnosed and ...
Cerebral palsy - Wikipedia
Puberty in young adults with cerebral palsy may be precocious or delayed. Delayed puberty is thought to be a consequence of ... Growth spurts during puberty can make walking more difficult for people with CP. Due to sensory and motor impairments, those ... Abnormal muscle tone, delayed motor development and persistence of primitive reflexes are the main early symptoms of CP. ... Overall language delay is associated with problems of cognition, deafness, and learned helplessness. Children with cerebral ...