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Conception

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.

Original poster

Need answers to two questions please.......

14 replies

suwoo · 10/03/2006 10:58

Sorry to ask what might be obvious questions to some but..
I have a regular 28 day cycle so am due AF on Weds, fertility friend has moved my AF due date to day 32 (sunday)as I ovulated on day 17, is this right? What I want to know really is when I don't come on on Wednesday am I going to get all excited and do a test when really I'm due on later that week. ( I have NEVER gone longer than 29 days before, EVER)

Also, do I really need a BBT thermometer to test temperature or will a digital babies one do?

Thankyou all in advance xx

OP posts:
trace2 · 10/03/2006 12:09

yes i think thats rigt, if you ovulated late then it will be late, and i have one from £land it does the job same

bubbly1973 · 10/03/2006 12:20

i thought that if you ovulated late, it dont nessecarily mean you will have an af 14 days later

it could be that you ovulated on day 17 and have a short luteal phase (the time between ovulation and af)...therefore you could have af earlier

i hope i havent confused matters, what im trying to say is that by you doing the fertility friend chart, you may have found out something about your cycle which you never knew before,...which is that you ovulate late, but still have a regular 28 day cycle meaning your luteal phase is shorter than 14days...hope that makes sense

peachygirl · 10/03/2006 13:02

Suwoo the digital thermometor you have will do fine you only need to look at the 1st number after the digital point.

rubles · 10/03/2006 13:52

Suwoo, i have a cycle the same as yours, in that i ovulate a bit late but my cycle is around 28 days. If this is the first cycle you have done with fertility friend, it might be taking the average luteal phase as 14 days and calculating your AF due date based on that assumption. Apparently the luteal phase is pretty much constant for each person and should be between 10 and 15 days (I think). Mine is 11 days - you may be the same.

Original poster
suwoo · 10/03/2006 15:07

Thanks girls, thats what I thought, that I just have a short luteal phase. Yes it is the 1st month I have used fertility friend, so we'll see what Wednesday brings (or doesn't as the case may be!)

OP posts:
coggy · 12/03/2006 18:10

I have only about 8 days in my luteal phase. A 28 day cycle and ovulate about CD19/ 20.
Most GPs swear blind that it is 14 days.....not true!!!

Piffle · 12/03/2006 18:29

With my cycles I ovd on day 12 and af would be 28 days
If I ovd day 14 it would be 32 days
If I ovd day 17 would be 35 days
HTH
I always used to get excited and dashed so hopefully you can be ok about it...

MeerkatsUnite · 12/03/2006 18:46

Even with a regular cycle you can ovulate earlier, later or not at all in any one cycle. The 14 day thing is just a guide and a not very good one at that. Only around 12% of all women have a 28 day cycle.

Generally speaking if your periods are regular then chances are you are more likely to be ovulating than not.

There are pitfalls to temp charting and some people do get hung up on same - there are pitfalls to such methods (you can get a rise in temp in the second half of a cycle when an egg has not been shed) and it can become stressful to do over several months.

beartime · 13/03/2006 06:07

If you were stressed b4 ovulation you might have ovulated late. From what I understand the time of ovulation is variable, but the luteal phase is pretty constant for the person, but if you haven't figured it out b4 then it could be short.

Twiglett · 13/03/2006 07:15

fertility friend is wrong .. you should test on the day you normally expect your period to start

fertility friend is wrong because it is using a 14 day between ovulation and period mathematical formula

the 14 days is a statistical average and women's post-luteal phase (length of time between ovulation and period starting) can vary enormously .. if it is less than 10 days there could be an issue with conceiving

this is one of my bug-bears .. the amount of people who should know better (gps etc) who still believe that because the average is 14 then every woman has 14 days .. just total and annoying bollocks

Twiglett · 13/03/2006 07:17

coggy .. are you on any treatment for your short post-luteal phase?

Original poster
suwoo · 13/03/2006 11:07

Thanks again 'oh knowledgeable ones'!! I may test on Wednesday, but really don't think it will happen this month. I'll let you know.

OP posts:
coggy · 13/03/2006 19:22

No and getting nowhere fast!
My GP thinks the 14 day thing, my consulatnt doesn't 'recognise' LP defect he says it is probably an ovulation problem (although I am 99% sure I am ov. each month) and my fertility consultant took 2 months to reply to my letter about it and then never even refered to it!!
So no....I am not!!
I have started taking B6 on recomendations. This is my first month so I will see.
My LP is VERY regular - 9 days between LH surge and CD1 every month for the past 5 that I've noted.

Piffle · 15/03/2006 11:12

Suwoo did your af arrive?

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