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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

Last 4 cycles: 35 days, 41 days, 31 days, 31 days - how can i work out the ovulation date?

27 replies

lovecloud · 30/12/2005 13:54

Sil in trying and these are her last four cycles, she has just started her period today but her cycles are all over the place.

Does this mean that her ovulation date is still roughly 14 days from today? I know it is just a guideline but it worked me for me both times but my cycle is 28 days.

Not sure what to advise her.

OP posts:
Twiglett · 30/12/2005 13:58

it is not 14 days from start of your period that is quoted it is 14 days before your period starts you did ovulate

it is still wrong whichever way you look at it

Twiglett · 30/12/2005 13:57

ovulation predictor kits or charting (temperature / cervical fluid .. see fertilityfriend.com or toni weschler's book How to take control of your fertility)

ovulating 14 days before your next period is

  1. an average .. hence it applying to you as an individual is kinda doubtful . .you could ovulate 10 days before or 20 IYSWIM

  2. even if it was any help as a figure (that is often erroneously quoted) it would be no help at all if you have irregular periods because it would rely on access to a time machine

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