Normally there is a weight gain in the two weeks before the periods because they're craving sugary foods to raise their blood sugar and they're bloated. (johnleemd.com)
It is, therefore, crucial that you shop around for a new card a few weeks before the period ends, or that you close the card account as soon as it does. (moneyexpert.com)
For others (like me), it is a full week before my period and another few days into it, so it was important to try to get my supply up in the meantime. (exclusivepumping.com)