oh my god

 I just. Had a baby boy last year december 22   After that i wait  almost 7 weeks now  before i had sex to my husband and now finally we had sex my god  he cum inside to me  is there posible i get pregnant again ? By the way i do breastfeeding and we dont use yet any pills injection or condom it was the 1st sex we had after 7 weeks after my delivery can anyone share yours story to thank youv