Can you help me figure out my EDD?

[mumofmak]

Hi there! I'm newly pregnant- unexpectedly and I'm trying to figure out my due date. LMP was Oct 14th but I've been having wacky cycles lately that average 30 days.  I just took a Clearblue test that tells conception by weeks also but it's based on a 28 day cycle.  It said 1-2weeks. How would this change if I adjusted for a 30 day cycle? (am I "less" pregnant?)

Using a pregnancy calculator online, using a 30 day cycle, probable day of conception is Oct 30th. I'm pretty certain Nov 1st is the day that did the deed. ;-)  Can anyone help me out?

I've got 3 kids already and all were born a minimum of 2 weeks past my "due date" but the babes have not looked as "old" as dates would suggest. I'd like to avoid an US for dating purposes, if possible, but don't want to short change myself days as being allowed to have the birth place I want will be limited to certain dates.

Thank you in advance for your input!

Mumofmak

[lillymonster]

I'd use date of ovulation. With my first I didn't have a 28 day cycle, it was much longer and baby was induced a week earlier (I didn't know what I know now - long story)  I know my ovulation day with this one, and I am actually due 3 days earlier than my EDD, so I am going by my EDD.

[mumofmak]

Thanks for the suggestion but I actually don't know my ovulation date.  I wasn't charting this time as I wasn't *planning* to getting pregnant. And my cycles have been so off regular this last year that it would be hard for me to guess...

[WifeofAnt]

30 days isn't too far off.  Do you know how long your luteal phase normally is?  Usually that doesn't change a whole lot.

Is November 1st the only day you DTD?  Based on the standard 28 day cycle, day 14 would have been October 22nd (not sure how they got the 30th).  You could still technically ovulate on that day if your longer cycle added in 2 days to the luteal phase (normal luteal phase length is 10-16 days).  However this obviously wouldn't work if Nov 1st was the only time you DTD.

When did you take the test?  The earliest day you'd be likely to get a + would be 10 DPO but its not an exact science.

[lillymonster]

Originally Posted by mumofmak 

Thanks for the suggestion but I actually don't know my ovulation date.  I wasn't charting this time as I wasn't *planning* to getting pregnant. And my cycles have been so off regular this last year that it would be hard for me to guess...

well, if you had sex Nov 1, then you probably ovulated within a few days - sperm can survive about 3-5 days, it wouldn't be that far off.  Mine I know when we had sex-  because it was a slow month for us, lol, and the LMP date was well over a week off because I had like 34 day periods or longer, but my guessed o date was much closer, even if it was just a guess.

[painefaria]

You can plan with this site.  It will allow you to change your cycle length and such.  It also it a pretty great resource for where you are in pregnancy.  I found a chart that can be printed out so you can mark off the days and weeks.  Pretty cool!   good luck

[mumofmak]

Thanks everyone for your suggestions!  I guess I'll go with July 24th as a due date.  I know a few days here or there might not seem like it matters that much but I go over by about 2 weeks every time and it will mean the difference between a home birth or a *naturally* minded hospital dept where water birth is still an option (I'll take either of these options) vs. the regluar medical L&D in a teaching hospital, during the summer when it's staffed by students and docs and midwives flown in from other countries to staff it up while the regluars are on holiday!

Thanks again,

M

[~Adorkable~]

are you planning on any early u/s? f so very early ones are pretty good at dating things, it gets way less helpful as the weeks tick by.

other than that i would go on your larger history, i usally had 30-32 dya cycles and nearly always O'd on day 15 or 16, so if i happen to have gotten preggo on a month i was not charting i would have corrected my dates to reflect a CD16 O to be safe, since this was my first and i figure i would go late.

if your cycle are consistantly long and ou have any charting to look at that tells you if it is long in the FP or the LP i would adjust to that average, but all in all thankfully it is just a few days, i feel much more worry for ladies that have really long 45- 60 day cycles that vary a lot and really have to frame of referance to go by

congrats!