Miscarriage/Pregnancy Loss

Hcg beta levels low then bleeding and cramping

Okay so on October 14th I had a positive pregnancy test.I went to the doctor to get beta hcg blood work to confirm pregnancy.My beta hcg on October 16th was 8.7 my doctor ordered labs for me to get blood work done next week on Monday and Wednesday to see if my hcg levels rised.Well on October 20th I started spotting and I had cramping on and off before the spotting.I went to the ER because of me spotting,the doctor did a bed side urine pregnancy test and the doctor said it was negative the drew my blood for hcg beta and it dropped down too 3.4 I took a pregnancy test yesterday and it’s positive.I’m still having pregnancy symptoms. I’m still bleeding but it’s slowing down it’s not as heavy as it was.I also haven’t passed any clots or the baby.The doctor said I had a miscarriage.If I had a miscarriage and my pregnancy test at the hospital was negative why is my pregnancy test positive now?

Re: Hcg beta levels low then bleeding and cramping

  • The urine pregnancy tests they do at the hospital are the same as the internet cheapies which have a 25IU/mL threshold so of course it's going to show negative if your HCG is barely above 3. If you're using FRERs at home, those are extra sensitive and I've also had a positive FRER with an HCG of only 3. You're so early in pregnancy, the baby is nothing more than a speck in size so you're not necessary going to spot it when you miscarry.

    Unfortunately, with an HCG of 3.4, you are clinically not pregnant. I'm sorry for your loss.
    *TW* History:
    Me: 34 DH: 36 | Together since 2007 | Married July 2016

    TTC #1 since 7.2017
    Dx: low morph (1%), ANA positive, low decidualization score, high TSH and testosterone, histone antibodies

    IUI #1-3 all BFN
    IVF #1 | 6.11.19 | 24R, 17M, 15F, 6B, PGT-A tested - 5 normal, 3 girls & 2 boys
    FET #1 | 9.10.19 | BFN "I know you, but we've never met. I'm with you, but I don't know your name"
    RPL, Receptiva, & ERA testing | all normal/negative, recommended going on gluten and dairy free diet for next FET
    FET #2 | 3.31.20 | Opted to cancelled due to pandemic, continued diet and tried naturally over the summer
    2nd Opinion with another RE | 8.20.20 | Not immune to measles (received 1 dose); SA results similar to 2 years ago; decided to move forward with FET #2 redo at start of next cycle
    Surprise natural BFP! | 9.22.20 | MC 10.23.20 at 8 weeks
    TTCAL naturally | starting 11.22.20

    Initial consultation with Reproductive Immunologist | 9.14.21
    Decidualization score biopsy | 10.1.21 | abnormal - low score of 1; endometrial scratch recommended and progesterone supplementation
    Saline sono | 10.15.21 | normal
    Bloodwork | 10.21.21 high TSH, high testosterone, positive for anti-nuclear antibodies and histone antibodies, high protein S, multiple genetic mutations
    BFP! | 11.3.21 | EDD 7.14.22 B) | biopsy provided same effect as endometrial scratch; added supplemental progesterone and estrogen, prednisone, levothyroxine, and MTX Support to maintain pregnancy
    DS born 7.19.22 after induction


    TTC #2 begins 6.2023
    Consultation with RI | 6.6.23
    Saline sono, endometritis biopsy, skin & eye check | all normal
    Labs | high TSH, Factor XIII mutation, high %CD56
    Follow up | 8.8.23 | prescribed metformin, prednisone, plaquenil, and levothyroxine
    Repeat labs after 3 weeks on meds
    Follow up | 11.9.23 | Green light!, increase in prednisone, added lovenox
    Repeat labs in 8 weeks
    Follow up | 1.16.24 | Green light continues
    TTC put on pause
  • You can still test positive after a miscarriage, for up to a few weeks because the home tests can still detect the HCG in our system... which is more "sensitive" to picking up HCG than the urine tests at the clinic. I'm sorry for your loss, I, too have just experienced a loss, just this week. 
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