Categories October Surprise 2024 low and slow rising hcg. success stories? – What to Expect Post author By Post date August 26, 2026 I messaged my midwife feeling very anxious since it hadnāt doubled but she reassured me and said itās normal to take up to 3 days to double and that as long as it had a 35% rise over 48 hours or more itās totally normal.