Milk drying up?

BabyBlu🐼 • Mom of Irish twins
Have you ladies experienced less milk since becoming pregnant? I am about 11 weeks pregnant and have a 4 and half month old baby girl. We have started her on pureé foods once a day but i have noticed her wanting to be on the boob a lot more often. She will nurse for a little bit and then she will pull of forcefully then latch and the pull off over and over. I normally pump twice at work but the other day at work, i forgot to pump the second time and my daughter had just had her formula when i got home so i didnt breastfeed her for a little while still and i didnt leak or feel painful in the least. I know that traditional meathods to increase my supply arent really safe while pregnant so im wondering if i should consider weaning?