Slow Rising HCG Concerns at 5 weeks

babybutterflies23 · January 2023

Hi everyone,

This is my first pregnancy, so naturally I'm very nervous. I'm 5 weeks pregnant and, at one point, I was experiencing a bunch of symptoms. Then about four days ago almost all of them either decreased in severity or disappeared, so I requested blood work. My first result was 2,426. My second was 3,530, which is only a 45% increase in 48 hours. I've read that a 35% increase or higher is okay, but I've also read that there are women who have miscarried when their numbers didn't double, even if they were increasing beyond the 35% mark. Has anyone been in a similar situation, or know other moms who have experienced the same and still had a healthy pregnancy? Thanks for your help!

stormageddon-darklordofall · January 2023

babybutterflies23 said:

Hi everyone,

This is my first pregnancy, so naturally I'm very nervous. I'm 5 weeks pregnant and, at one point, I was experiencing a bunch of symptoms. Then about four days ago almost all of them either decreased in severity or disappeared, so I requested blood work. My first result was 2,426. My second was 3,530, which is only a 45% increase in 48 hours. I've read that a 35% increase or higher is okay, but I've also read that there are women who have miscarried when their numbers didn't double, even if they were increasing beyond the 35% mark. Has anyone been in a similar situation, or know other moms who have experienced the same and still had a healthy pregnancy? Thanks for your help!

SIB. QFP

The mark of a healthy, progressing PG is that your HCG should double every 48 hours, and that is what's used as a benchmark until somewhere around week 7 when you can start seeing/tracking the heartbeat (and somewhere in there HCG tapers to a steady level). If you are not having your HCG levels double every 48 hours, that indicates a PG that is not progressing as 'normal.' You could just have slow rising HCG, which sometimes still 'catches up' and is fine, but in most cases this is not a good sign. I'd call your doctor and discuss with them, as well as wait and see what your next HCG looks like. (although be warned, if you're headed toward MC, your doctor can do NOTHING to help save your baby.)

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