Help needed...

Naynai • Angel 👼🏻 bean - 05/06/2019 Angel 👼🏻 - 14/01/2020 Rainbow 🌈 - 07/03/21

So ladies, I’ve not long had my little rainbow boy, I had him in January this year, I’ve now recently done a pregnancy test- last night & this morning & they both look pretty positive..

How far along would I be? My last period was on the 17th of July x