A question about nfp

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Using the sempto thermal method…If my spouse and I know when phase 3 starts, I’d there a reason we’d want to know when the other phases are?

Especially if we’re not planning on doing anything during fertile periods for the time being?
 
Using the sempto thermal method…If my spouse and I know when phase 3 starts, I’d there a reason we’d want to know when the other phases are?

Especially if we’re not planning on doing anything during fertile periods for the time being?
a) The more you know the better. If anything odd occurs, you will have better knowledge and experience to interpret it. This may come into play during any times of stress, and certainly during any postpartum months before your cycle is back to normal. Understanding your cycle well now will help later. It will also help if you change from wanting to avoid to wanting to conceive at some time.

b) Most couples choose to have sex during phase 1, rather than restricting only to phase 3. That’s up to you of course. Obviously restricting to phase 3 is the more conservative approach; it also obviously offers fewer opportunities for marital relations.
 
PS if you can’t identify the start of phase 2, via change in cervical mucus, how do you identify the end of phase 2, when the cervical mucus dries? Yes, you have the temp, but that can be compromised sometimes (sickness, poor night’s sleep, etc) and the method is supposed to take both assessments into account.
 
a) The more you know the better. If anything odd occurs, you will have better knowledge and experience to interpret it. This may come into play during any times of stress, and certainly during any postpartum months before your cycle is back to normal. Understanding your cycle well now will help later. It will also help if you change from wanting to avoid to wanting to conceive at some time.

b) Most couples choose to have sex during phase 1, rather than restricting only to phase 3. That’s up to you of course. Obviously restricting to phase 3 is the more conservative approach; it also obviously offers fewer opportunities for marital relations.
Why would phase 1 be the most common phase for sex? From what I understand it’s a very short period of infertility (like a few days)?
 
Why would phase 1 be the most common phase for sex? From what I understand it’s a very short period of infertility (like a few days)?
From what I have gathered from my own experience and what I have read here, those that have a very serious reason to avoid becoming pregnant, avoid relations during phase 1.

For many years, we avoided relations during phase 1.

We only opened up to relations during phase 1, very recently. I have moved into perimenopause. I haven’t ovulated for many months. That makes phase 1, very, very long. As you enter perimenopause, the rules for NFP become a little more fluid.
 
Why would phase 1 be the most common phase for sex? From what I understand it’s a very short period of infertility (like a few days)?
Not the most common - I think you misunderstood what I said.

Phase 3 is naturally the most common. Once ovulation is detected and passed, that is the safest phase for relations. Couples who want to be very risk averse (say for serious health reasons) may choose this more conservative approach.

But most couples (as far as I know) choose to use the (usually brief) infertile phase 1 too. It is a more inherently risky phase, but those familiar with their cycles and fertility symptoms may be comfortable in using this phase. Otherwise, the restriction of relations can be very long. Some people, who have irregular cycles, may enter phase 3 quite rarely, and thus restricting to phase 3 only can be very stressful on a married couple who wish to have relations.

Understanding your cycle, across all phases, will give you the best information to decide on the risk level you wish to take, and weigh this against your reasons for avoiding pregnancy, noting that the reasons and the acceptable risk level may very well change over time.

Conversely, if you do not properly understand phase 1, you will be restricted to phase 3 only, and you may over time find this to put great stress on the two of you, depending on your desires for relations (which may be unequal between any given couple).
 
I think it seriously depends on how long your cycles are and how serious you are when it comes to TTA.

Some women have short cycles and will ovulate earlier then the so-called 14 day-halfway mark. Some women begin to notice signs of phase two almost immediately after their period ends.
There are also plenty of studies that demonstrate how some sperm can live upwards of 7 days inside a woman’s uterus.

Based on all of these arguments it may be easy to argue that there is little reason to distinguish between phase 1 and 2 at all if you really want to avoid pregnancy.

That being said…I think it does make sense to figure out all of your phases…because adding an additional 5-7 days worth of abstinence makes something that is already difficult to be that much harder.

I am one of those women who have shorter cycles and I’ve been known to ovulate around day 11 or day 12. Given the facts that sperm can survive upwards of 7 days…it can be considered risky to have relations at any point during phase 1.

Still, it’s too hard for my husband and I to abstain that much. We usually take a small risk and use cycle day 5 or 6 and then wait until phase 3 begins.
 
I think it seriously depends on how long your cycles are and how serious you are when it comes to TTA.

Some women have short cycles and will ovulate earlier then the so-called 14 day-halfway mark. Some women begin to notice signs of phase two almost immediately after their period ends.
There are also plenty of studies that demonstrate how some sperm can live upwards of 7 days inside a woman’s uterus.

Based on all of these arguments it may be easy to argue that there is little reason to distinguish between phase 1 and 2 at all if you really want to avoid pregnancy.

That being said…I think it does make sense to figure out all of your phases…because adding an additional 5-7 days worth of abstinence makes something that is already difficult to be that much harder.

I am one of those women who have shorter cycles and I’ve been known to ovulate around day 11 or day 12. Given the facts that sperm can survive upwards of 7 days…it can be considered risky to have relations at any point during phase 1.

Still, it’s too hard for my husband and I to abstain that much. We usually take a small risk and use cycle day 5 or 6 and then wait until phase 3 begins.
These days, we call it quits on Day 4. I think I’ve had ovulations on Day 12 and we did have one of those 7-day miracle conceptions some years ago (sex on Day 7, ovulation Day 14, or something like that), so even Day 4 is a little far, but that’s our current comfort level.

It’s very much a question of motivation.
 
So on day 4 are you still bleeding or are you fully past your period?
 
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