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» Scarleteen Boards: 2000 - 2014 (Archive) » EXPERT ADVICE » Ask Scarleteen » When does ovulation occur?

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Author Topic: When does ovulation occur?
gogo2439
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I just had my first pregnancy scare and i'm still recovering, but i'm pretty confident I don't have anything to worry about. anyway...

my question is, when does ovulation occur in women? I've read that it's typically 14-16 days prior to your expected period date, which is why the 2 weeks after ovulation are considered to be "safer" days for sex.

Except I was searching for information and stumbled on a netdoctor type thing that said that it is not uncommon for women to ovulate two days prior to their period. Specifically:

"Say your wife has a 28-day cycle counting from the first day of her period.
She could have ovulated on day-24 – not that unusual – and the egg could have been still capable of fertilisation and implantation by day-26 – two days before her next period was due to start."

but that doesn't make sense in my opinion because that would mean the progesterone and the uterine lining would have to develop very rapidly between those two days. is my judgement right? Or do some women actually ovulate two days prior to their period? and if so, how common is that in women?

I doubt i'm one of them because i have heavy and longer periods and cycles, but i'm just curious.
thanks!

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Molias
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The only way to know when you're ovulation is through several months of observation of your cervical mucus and basal temperature. There are averages of when ovulation happens, but for individuals the timing can vary.

If you'd like to start figuring this out for yourself, this article is a good place to start, and the links in it will send you to sources with more info: Get With the Flow: All About FAM

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gogo2439
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But would it be possible to ovulate two days before starting ones period?
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Molias
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It would be possible, yes. Again, there are average times when most people will ovulate, but some folks can ovulate much earlier or later in their cycle on occasion.
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gogo2439
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I thought that when people ovulate earlier/later in their cycle their overall cycle length is lengthened or shortened. I guess my question is, is it possible to have a luteal phase of 2 days? Or even 0 days? And how common is it to ovulate so soon to your period?
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gogo2439
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What I mean is, although people ovulate at different times in the cycle, its usually because the follicular phase takes a different amount of time, not the luteal phase. So sorry to spam, I just wanted to clarify what Im asking. Is it possible to have a luteal phase/time frame after your period when progesterone and the lining builds up, take only 2 days
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Redskies
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I think I can see the source of the confusion here.

It is indeed not uncommon for someone to ovulate two days before their period is due: in that case, it would be expected that the period would happen considerably later than it was expected, as you're right, the luteal phase remains roughly the same for each person. Someone's luteal phase is usually between 12 and 16 days, but can be as little as 9 or 10 days.

It would be very uncommon for someone to ovulate and then actually have their period two days later, because as you say, that's just not how the cycle of hormones and physical changes works.

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The kyriarchy usually assumes that I am the kind of woman of whom it would approve. I have a peculiar kind of fun showing it just how much I am not.

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gogo2439
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So in light of this knowledge, even if one had unprotected sex a day or 2 before their period [it actually comes, not "expected period"] (or even anytime after they have ovulated), it should not be possible to become pregnant.
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Karybu
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That's correct. But unless someone knows (from charting over a period of several months) when they have ovulated, there isn't enough information to accurately assess the chance of pregnancy. (It's not common, but it does happen sometimes that ovulation occurs twice in one cycle.)

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"Another world is not only possible, she is on her way. On a quiet day, I can hear her breathing." -Arundhati Roy

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