Menstrual irregularities

1. Sleeve gastrectomy raises the risk of menstrual irregularities in patients with an initially regular cycle (52%).

   “52% of patients with an initially regular cycle had irregular MC for the first time after surgery”

   Human trialin patients with an initially regular cycle12 monthsfemalesn = 24

   Assessment of menstrual function in obese women after sleeve gastrectomy

   Meditsinskiy sovet = Medical Council·Jun 25, 2026

More on Sleeve gastrectomy

1. Low birth weight is associated with menstrual irregularities in humans (Birth weights <1,500 g and 1,500–2,499 g compared with 3,000–3,999 g) (Adjusted relative risks: 1.19 and 1.11 for <1,500 g and 1,500–2,499 g, respectively).

   “They also had a higher risk of menstrual irregularity (adjusted relative risk [aRR]: 1.19 and 1.11, respectively)”

   HumansBirth weights <1,500 g and 1,500–2,499 g compared with 3,000–3,999 gfemales

   Association Between Women's Birth Weight and Reproductive Characteristics in Adulthood: The JPHC-NEXT Study

   Journal of epidemiology·Jan 1, 2025

1. Menstrual irregularities are associated with total Menopause Rating Scale score in humans (menstrual irregularity at 25 years) (Adjusted OR 1.63, 95% CI 1.07–2.49).

   “menstrual irregularity at 25 years (1.63, 1.07-2.49)”

   Humansmenstrual irregularity at 25 yearsfemalesn = 1,054

   Menopausal symptoms in midlife Singaporean women: Prevalence rates and associated factors from the Integrated Women's Health Programme (IWHP)

   Maturitas·Oct 6, 2023