I need help

Alicia
Hi lady's I thought I was pregnant this time but I'm not☹️ I stared my period today!! Wen my son was born I started to take care of my self and I was taking the shot every three months for One year and a half.. then I decided to stop  because I wanted to have another baby.. so is been like almost 2 years that we been trying and still nothing I was doing a lot of research and decided to get this <a href="https://play.google.com/store/apps/details?id=com.glow.android">Glow app</a> 3 months ago to help me wen I'm fertile and stuff like that.. I pray to God to help me cuz my son now is 4yrs and he wants a baby girl and a baby boy lol I told him no papa just one baby and he said no mama I want to 2 baby's lol.. it's sad wen my son tells me this cuz I'm trying to have 1 baby and I can't and he wants 2 you guys no wat I mean.. my periods are un regular so idk if that why I'm having problems.. idk what else to do!! Plzz if u guys went through this plzz help.. thank u for taking ur time to read this god bless u all