What is your 4 week hcg levels ???

💙👣👶💑👧💉 • I am a mom to 3 angel baby's and 1 living child .I am currently pregnant and on lovenox with my 🌈rainbow 🌈 baby boy impatiently waiting his arrival.
The doctor called today and my hcg is 29 . She didn't sound like it was ok and told me I need to come back next week for redraws . Does anyone know your hcg levels at 4 weeks ?