Different signs with twins

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Hey everyone! So, this is my third pregnancy but first time with twins. My first two pregnancy’s were pretty normal with nothing weird or any tell tale signs. But before I knew I was having twins, my body got weird. I smelled like bleach very badly. First time ever in my life I smelt like this. I google and they said it was a sign of infection which I did not have. Looking back, this was probably a sign I was having twins. Also, I lost a lot of weight out of no where.

What were your signs of twins or multiples?