We can prolong a card for one month with the purchase of another card if your old card has expired for less than a month. We’ll add an extra month to the new card, giving you time to finish the old card. This option is valid for everyone, no matter the reason for your absence, no medical certificate is required. We can prolong a card for 3 months if you are pregnant or seriously injured or ill ONLY if you cannot come to Prenatal Yoga, or Restorative Yoga classes or breathing & meditation classes. Important: You need to ask for this within the 2 weeks following pregnancy or injury/illness. A medical certificate is required, saying that you are not able do any kind of yoga class; even gentle yoga and breathing & meditation classes. The extension card is valid as soon as the old card expires. No need to purchase a new card.