Got ur concern though it's unfortunate but good u shared well.
There are common causes like anaemia, hypothyroidism and stressful conditions. Hopefully ur not on any hormonal pills.
Being Holistic Homoeopath u need to screen n evaluate personalised so seek support at Nr by Homoeopathic collage Hospital or consultant.
Health Tips
juice of Radish, Laddu of black gram black till n gud jaggery will add value