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When's the best time to get pregnant? Use our interactive ovulation calculator to work out when you're most fertile and most likely to conceive.

question about Ov tests

(19 Posts)
Madigan Sun 14-Aug-05 17:18:24

Wonder if anyone can help with this one - used a Ov test on day 15, which was positive. Seems a little early for me (cycle usually 32 days or so), and had no other signs of ov. Did another Ov test on day 16, which was negative.
Does the LH surge only last one day, so you only get one positive? or might the 1st ov test have given a false positive?

Grateful for any advice

Roobedoo Sun 14-Aug-05 18:25:51

When I've used them I sometimes only get one day of positive, other months I had three days of positives - that is probably not very helpful is it!

Madigan Sun 14-Aug-05 18:34:53

Roo - do you get other ov signs as well? and are these ov tests reliable, in your opinion?

Madigan Mon 15-Aug-05 08:38:22

bump bump

george32 Mon 15-Aug-05 08:42:09

I used them and I too sometimes got 1 day sometimes 2 days. They can pick up an increase of LH as it builds to ovulation (and I believe sometimes on the way down too).
I used them in conjunction with temping as then you can then see more accurately when you ovulate as your temp soars upwards.( is a great site to help with this)
Best to BD frantically whenever you get a + OPK!!

george32 Mon 15-Aug-05 08:44:19

Just too add, Clear Blue smiley OPKS are great. They are really expensive (about £20 for 7) but there are a few of us who got a BFP within a couple of months of trying them.
They are really easy to read as you get a on a positive ovualtion day.

Madigan Mon 15-Aug-05 09:13:47

Thanks George
Fingers crossed then! ... I did use a clearblue one.

george32 Mon 15-Aug-05 14:55:09

Good luck Madigan, it was the best £20 I've spent in a long time!!

munz Mon 15-Aug-05 15:00:22

yes def get CB digital ones, or a persona moniter - best £20 i've spent buying that.

Madigan Mon 15-Aug-05 17:11:25

What's a persona monitor? Is it different to the Clear Blue ov tests?
I keep reading that you can't rely on the ov tests, because sometimes they tell you too late that you have ovulated ...? Anyway, will think positively and cross fingers ......

george32 Tue 16-Aug-05 08:42:41

A persona monitor is supposed to be used as a method of contraception. It tells you what days to wee on persona sticks, you put these into the monitor & then gives you either a green day (no risk of p/g) or a red day (risk of p/g).
When TTC you can use it in reverse & do all your BDing on red days

They cost about £60 new plus the cost of sticks every month but you can get them off e-bay for a lot less.

munz Tue 16-Aug-05 08:55:09

they're fab mads, mine was £20 off of ebay u can reset them give it a clean up and it's as new.

katierocket Tue 16-Aug-05 08:57:43

one word of warning on personas. I used my before I had DS1 and it was fine. Then when we started TTC no 2 I re-set it etc and it never found my OV day in 12 months(even though I did everything by the book). I had tests that confirmed I was OVing and indeed had signs of OV but for some reason Persona just never picked it up.

Amandeep Thu 18-Aug-05 13:30:38

Does it record the ovulation or does it give warning that you're going to ovulate?

Twiglett Thu 18-Aug-05 13:32:12

you have to keep testing from when they say to start .. you have to just take the first positive and assume ov occurs 24 - 48 hours after that first positive

you can continue to get further positives after first one (which is why you should stop testing) .. but not necessarily


Madigan Thu 18-Aug-05 22:46:38

Thank you all for advice. Will definitely invest in persona next month if no luck this month.

Mojomummy Thu 18-Aug-05 22:59:07

..sometimes if you over pee on the persona stick, the machine won't give a correct reading.

You need to pee for 3 seconds only or catch some in a container & dunk for 15 seconds.

Has happened to me & some friends...usually gives a red reading instead of the egg sign

Amandeep Fri 19-Aug-05 13:16:08

I am trying to find out when i ovulate and different people are giving me different advice. Please let me know which OV kit to use Persona or Clear????????

Mojomummy Fri 19-Aug-05 14:06:21

Hi, I used Persona when I conceive DD (2) I found this excellent. Used ovo sticks in may which didn't produce anything - but persona did. I had been on anti-biotics though & may have got my timing wrong cos we didn't conceive that time.

In June used Persona, got pregnant (ovo'd on day 12) BD few days beforehand. Sadly had a miscarriage, followed by ERCP Tuesday

Will be using ovo sticks to see what happens this month, then if nothing, moving back to reliable persona after then period

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