[warlockgirl]

Hi all,

just a few newbie questions....

hubby and i just starting ttc no 1
if u are already pregnent and didnt know and u test opk would it test pos or neg for lh surge???

also has anyone else have thyroid troubles (i am not on medication) and had or havent had trouble conceiving my doc seems to be very vauge about it.

thanks all

[Sunnycat]

I am 7 weeks pregnant and did an OPK the other day for fun and it came up positive.

My understanding is that they will come up positive once there is a decent amount of hcg in your system so a OPK will generally only be positive if your pregnant if you get a positive hpt. I hope that makes sense.

[Poseidon768]

OPKs test for something called LH (which is what induces ovulation). We'll pretend LH is like a little girl named Sally.

HPTs test for something called hCG (which is what bubs makes to support the pregnancy). We'll call this little girl Sally wearing a pretty summer hat.

So, since OPKs ONLY look for Sally (which both LH and hCG have in them), they will come up positive for being pregnant or ovulating. Now, the sensitivity of OPKs is much lower than HPTs so OPKs won't be any good for EARLY detection of pregnancy (because it takes time for hCG to build up in our system to a level that OPKs can detect it).

HTH!!

This post has been edited by Poseidon768: 22/11/2012, 06:10 AM

[MsCert]

It may depend on exactly what your thyroid condition is.

I have Hashimotos Thyroiditis causing an under-active thyroid. For this particular condition it can play a big part in your chances of conceiving, and you'll need the medication in order to get things working again. As soon as i started taking thyroxine all my symptoms disappeared and I'm ovulating.

[warlockgirl]

thanks guys you have helped alot...

my thyroid condition will eventually end up being Hashimotos Thyroiditis but i cannot be put on medication as my tsh,t3 & 4 are norm only antibodies high....

[MsCert]

good luck and be sure to keep an eye on the levels during pregnancy as usually this causes the levels to change if you have a condition. those on medication usually get an increase at this time.