Help me compare birth control (amount of estrogen)?

Hey there. I am taking Tri-Sprintec birth control. My doctor wanted me to switch to Lo-Estrin. I did some research to see the estrogen level on both pills but had no luck. If someone can tell me how much estrogen each pill has that'd be great. I did ask my doctor but I didn't get a straight answer. Best answer gets 10 points! thanks

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