Pregnant and breastfeeding

Vy

Hello I’m 4 weeks pregnant and breastfeeding my 16 month old still just at bedtime but when we do nurse I get light cramps is this okay? I just had a miscarriage in February and I’m a bit nervous that theses cramps could cause another miscarriage...I go to my ob Monday so I’m gonna talk to them too but with my last pregnancy they told me to stop nursing him completely.