Astragalus fascicolifolius manna abortifacient risk and effects on sex hormones in BALB/c mice

Abstract

Background: Astragalus fascicolifolius manna is used to treat different diseases. Because pregnant women tend to use Astragalus. fascicolifolius and Iranian traditional medicine emphasizes the abortifacient potential of this plant, this study aimed to investigate Astragalus fascicolifolius manna abortifacient property and effects on estrogen, progesterone, LH and FSH levels in BALB/c mice. Method: This experimental study was conducted with 70 female BALB/c mice assigned to seven groups: Nonpregnant, untreated; nonpregnant, Astragalus. fascicolifolius extract (400 mg/kg)-treated; pregnant, Astragalus. fascicolifolius extract (400, 800 and 1200 mg/kg)-treated; and two pregnant control groups. On 18 and 19 days of pregnancy, cesarean section performed on mice, resorbed embryos counted; then Follicle-stimulating hormone (FSH), Luteinizing hormone (LH), estrogen and progesterone levels were measured by the ELISA. Results: Astragalus. fascicolifolius extract caused a significant increase abortion in mice. The levels of progesterone, FSH and LH were significantly different among the groups such that mean progesterone level was lower and mean LH and FSH levels were higher in the Astragalus. fascicolifolius extract-treated groups than the pregnant, untreated group. Conclusion: This extract has abortifacient properties and this plant can be used cautiously in pregnancy. Decreasing progesterone, increasing FSH and LH feedback in response to decreased progesterone by this extract is one of the potential mechanisms involved in abortion.

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