Hi mama! Honestly, a few days gap shouldn't cause major problems, pero better safe than sorry, why not reach out to your OB lang through text or a quick call kung pwede siya mag-prescribe ng temporary supply or recommend something available sa Mercury or Watsons in the meantime? Marami kasing available na prenatal vitamins sa pharmacies, kaya hindi ka stuck talaga, pero mas peace of mind kung approved ng doctor mo ang alternative bago mo i-start.