..., instructions or products referred to in the content or advertisements. 2025 Histrelin implant Amenorrhea Central precocious puberty Pubertal suppression Established Facts Histrelin acetate implant replacement is recommended every 1 to 2 years. Histrelin implant breakage can occur...

... medical record review of 366 adolescents with PCOS aged 13-18 years was conducted, from which 265 girls newly diagnosed with PCOS were included and divided into those presenting with primary amenorrhea (PA), secondary amenorrhea (SA) and oligomenorrhea (OM). Androgen concentrations and markers...

... (p.C283R), c.1151del (p.L384Rfs*7), and c.1333G>T (p.E445*). They presented with female external genitalia with clitoromegaly in infancy or childhood, or primary amenorrhea in adolescence. In vitro functional studies of SF1 activity determined that each variant, except p.E445*, led to a reduced...

... development at puberty, and normal or late menarche followed by oligo-amenorrhea and infertility. Oestradiol and progesterone levels are normal for the early to midfollicular phase, but do not reach ovulatory or luteal phase levels, confirming lack of ovulation. Notably, serum LH levels are low in patients...

...Yuji Okatani; Yusuke Sagara The purpose of this study was to evaluate the role of the opioid system and the estrogen environment in the nocturnal secretion of melatonin in women with secondary amenorrhea (SA). Nocturnal melatonin concentrations in patients with SA were significantly higher than...

... and corpus luteum function were investigated. Serum levels of total 3,5,3′-triiodothyronine (T 3 ) and total thyroxine (T 4 ) as well as free T 3 and T 4 were significantly lower in patients with weight loss amenorrhea compared to normal cycling women. Although no ovulation was induced by clomiphenetherapy...

...A. Caufriez In hyperprolactinemia, menstrual disorders ranging from irregular bleeding, insufficient luteal phase, spanio-amenorrhea, to anovulatory cycles and amenorrhea, are frequent. Multiple mechanisms are involved in these disorders: hyperprolactinemia could act at the hypothalamic level...

..., instructions or products referred to in the content or advertisements. Hyperprolactinemia Prolactinoma Dopaminergics Bromocriptine Amenorrhea Galactorrhea Contraception Hormone Res. 22: 228-238 (1985) © 1985 S. Karger AG. Basel 030l-OI63/85/0223-0228$2.75/0 Medical Treatment of I...

... of this disease during the postpartum and the presence of autoantibodies against corticotropic cells in one case may indicate that ICD was a sequela of an autoimmune hypophysitis. The presence of amenorrhea, while the gonadotroph was not damaged, and the reappearance of ovulatory menstrual cycles under the sole...

...N. Massin; C. Czernichow; E. Thibaud; F. Kuttenn; M. Polak; P. Touraine Background: Premature ovarian failure (POF) in adolescents is defined as primary or secondary amenorrhea associated with high follicle-stimulating hormone (FSH) levels. In normal 46,XX patients, its etiology is most often...

... within one week. Therefore, hyperprolactinemia was induced for 7 days in the subsequent studies, to ensure a sufficient time course for GnRH suppression. Menstrual cycle Hyperprolactinemia Amenorrhea Hypothalamus Gonadotropin-releasing hormone Prolactin is thought to regulate its own...