Yes, there are oral medications to restore regular menstrual cycles such as clomiphene citrate (clomid or Serophene) or letrozole (Femara), which work by causing the pituitary gland to secrete more FSH.
Ewe, akhona amayeza aselwayo okulungisa imijikelo yokuya exesheni afana neclomiphene citrate (iclomid okanye iSerophene) okanye iletrozole (Femara), esebenza ngokwenza idlala elisezantsi kobuchopho ukuba likhuphe iFSH eninzi.