Sonali Shivlani
Every baby is different and their suction style and pressure is different. Also each mom is able to tolerate different suction. Hence a pump which allows you to adjust speed and suction as per your comfort is what is recommended. High speed high suction need not produce more milk.
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Subha
which brand ? is the flange rubbing your nipple? if yes, that could be the reason for pain. remove the flange and try to use it
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