In utero and lactational exposure to fluoxetine delays puberty onset in female rats offspring

Reprod Toxicol. 2016 Jul:62:1-8. doi: 10.1016/j.reprotox.2016.04.006. Epub 2016 Apr 14.

Abstract

Depression is one of the most prevalent disorders in the world and may occur during pregnancy and postpartum periods. Fluoxetine (FLX) has been widely prescribed for use during depression in pregnancy and lactation. This study aimed to investigate if in utero and lactational exposure to FLX could compromise reproductive parameters in female offspring. Wistar rats received, by daily gavage, FLX 5mg/kg or 0.3ml of water (control group) from the first gestational day until weaning (21 days). Assessments in the female offspring included: body weight, anogenital distance, vaginal opening, first estrus, estrous cycle, reproductive organs weight, uterine morphometric analyses, ovarian follicle and corpora lutea counting, estradiol plasmatic concentration, sexual behavior, maternal behavior and fertility test. Exposure to FLX delayed the puberty onset in female pups. The present study demonstrated that developmental exposure to FLX can deregulate the neuroendocrine hormonal control of female offspring during prepubertal and pubertal periods.

Keywords: Female; Fertility; Fluoxetine; Maternal behavior; Puberty.

MeSH terms

  • Animals
  • Antidepressive Agents, Second-Generation / adverse effects*
  • Estradiol / blood
  • Estrous Cycle / drug effects
  • Female
  • Fertility / drug effects
  • Fluoxetine / adverse effects*
  • Lactation
  • Male
  • Maternal Behavior / drug effects
  • Maternal-Fetal Exchange
  • Ovary / anatomy & histology
  • Ovary / drug effects
  • Pregnancy
  • Prenatal Exposure Delayed Effects*
  • Rats, Wistar
  • Selective Serotonin Reuptake Inhibitors / adverse effects*
  • Sexual Behavior, Animal / drug effects
  • Sexual Maturation / drug effects*
  • Uterus / anatomy & histology
  • Uterus / drug effects

Substances

  • Antidepressive Agents, Second-Generation
  • Serotonin Uptake Inhibitors
  • Fluoxetine
  • Estradiol