hi guys, i am new to this and ivf. I am now 5 days post transfer of 1 5 day blast. My FS tested my blood today and the beta was <1. Most things i have read have stated that hcg starts to be secreted on day 6 post transfer... Is this true? I have had lots of cramping and back pain that started 4 days post transfer and today my breast are tender to touch. I need to re test my beta 10 days post transfer, is there a possibility that it can still be positive?
any help will be much appreciated