Infertility

Can lining be too thick to begin FET cycle?

Rachd110Rachd110 member
edited February 2016 in Infertility
**loss mentioned*** 

After a long two months (early miscarriage and a couple doses of methotrexate), I finally had my baseline US and labs today to start my FET cycle. Labs are good, but my lining is thick for early on in the cycle at 7mm.

Last month it was 12 mm at my baseline US. I've had two periods since my miscarriage (three if you count the two week bleeding when I thought I was miscarrying, but had not yet) and the two have been lighter than normal. 

Nurse said lining is supposed to be less than 6mm. They want me to come back in on Monday to repeat labs and US. If my lining doesn't thin by then I may not be able to move forward with FET. Has this happened to anyone? Do you know why I wouldn't be able to move forward with FET?

I'm really frustrated because my nurse didn't explain anything. All she said in her voicemail was labs are good, but because of 7mm lining need to repeat US on Monday before we can move proceed. I left her a voicemail asking for clarification. Hope she calls back soon.

*edited for spelling

Re: Can lining be too thick to begin FET cycle?

  • Hi!
    Sorry to read about your loss, but it is good to hear you are ready to try again.

    I have not really lots of knowledge about lining, I know here they want me to have a thin lining at start, as not being to 'build up' from last month and that I got rid of all from previous month.

    Guess they want lining to be thick, but not too thick either, with a start of 7mm you might grow a 'too thick' lining for FET.

    But not to worry too much yet, they know about it, they'll check you again on Monday, and they probably know how to handle lining.
    Hope the nurse calls you back with a proper explanation, so you'll stop stressing during the weekend!

    GL this month. I'll keep my FX for you.

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  • My Dr said it won't ever be too thick. When they checked to see if I was at an 8 to transfer, I was at 11. It kept growing while we were waiting for DW egg retrieval. A few days before transfer it was 15. And it naturally grows a little each day.  

    They did cut my estrogen patches from 4 to 3. 

    TW*****children/ivf success mentioned:
    My boss did ivf. She did a FET and her lining was 16 and she gave birth to healthy twins. So I wasnt worried when mine was 15. 

    RE DX for me: Anovulatory cycles/Mild PCOS  RE DX for DW: Endometrioma on left Ovary.
    Reciprocal Ivf Feb 2016. DW eggs and I am carrying. EDD: 10/27/16

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  • Not to worry you but during our first IVF and the four negative FETs that followed my wife had a thicker than normal lining throughout. We found out after losing 10 embryos that her lining was thick bc of polyps. The symptoms are extra painful periods, heavy flow lasting more than a few days etc. She had them removed. The doc thought there was four but she removed a "field of polyps". Just something to think about and talk over with your doctor. Polyps can come and go per cycle. The doc said due to the number DW had that she'd had them since she was a teen. 
    ***Loss and success mentioned***
    Me:34, Wife: 32
    IF reasoning = MFI: Zero Sperm Count using FairFax donor bank
    IUI #1 - #3: 2011 = BFN
    IVF: 2011 = BFN, lost all 10 embryos (with C/Ps)
    Jan 2014 - OBGYN (not RE) found and removed wife's "field of" uterine polyps after failed IVF

    Moving on to surrogacy (actually a planned adoption)
    Surrogate IUI#1: 7.17.12 = BFP!! 15dpiui = 256, 17dpiui = 346
    Oliver Zane born - 3/29/2013 on Good Friday!

    IUI #4 - #6: 2014-2015 = BFN (with C/Ps)
    Switch sperm donors, start ketosis diet to reduce inflammation late 2015
    IVF 2: Jan and Feb 2016, 3 great looking, 8 cell 3 day embryos. Two ET, one frozen
    2.18.2016 (8dp3dt) = BFFP!
    2.22.2016 (12dp3dt) = 649!!

    Started foster care experience in 2012. Now waiting to adopt our foster daughter, 7, who has lived with us for 3 years. 


    "Wait for your God, and don't give up on Him - ever!" Hosea 12:6 (msg)

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  • I found this when I did a search for lining thickness and success rates. These are from people that had successful pregnancies. 

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2543019/table/T3/

    Also, did your doctor do a shg? 

    RE DX for me: Anovulatory cycles/Mild PCOS  RE DX for DW: Endometrioma on left Ovary.
    Reciprocal Ivf Feb 2016. DW eggs and I am carrying. EDD: 10/27/16

    Pregnancy Ticker
  • I'm from SAIF. Sorry about my old ticker I can't figure out how to remove it.

    Your lining is too thick to start building a lining for an FET. If your lining is 7mm and up they'll wait for you to bleed again before starting estrogen. I just had an FET in Jan. My lining was at 7mm because of the bcps and without bleeding it magically dropped to 4mm at my recheck. If your lining is still thick at your next u/s they can prescribe progesterone to force a bleed. It might delay your transfer but shouldn't cancel it. GL
    ~ Everyone Welcome ~
    TTC: 05/2011 Me: 32, All Clear DH: 38 Dx: MFI Low Testosterone & 1% Morphology
    IVF #1 w/ICSI & IMSI, 12/03/12: ER: 27R, 20M, 15F
    4 blasts frozen (3BA 4BA 4BB 5BB) b/c of moderate OHSS
    FET #1: 02/08/13 Transferred 3BA & 4BA | HPT 5dp5dt BFP!

    10dp5dt Beta #1 - 810 | 12dp5dt Beta #2 - 1843 BabyFetus Ticker
  • Thanks for all your responses. My nurse did call me back and it somehow went straight to voicemail, which was really weird because I was holding on to my phone waiting for her call. Anyway, she just reiterated what she said in her first message offering no explanation. I guess I'll find out more on Monday.

    @gr8te I'm going to ask about progesterone to force bleed. Thanks for letting me know. My period stopped on Friday, so I doubt my lining thinned more.
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