check your flange size mi if correct,may nabibili din pong flange insert. you can use cooler with ice po,and store nyo sa BM Bags or baby bottle with sealing disc ung breastmilk. if exclusive pumping better every 3hours,8 times a day for 15-30mins per session. and if unli latch you can pump after latch ni baby, and invest kayo mi sa dual electric pump mas nakakaparami pa Ng milk Yun and less hassle sainyo.