WOMENS-HEALTH Messages for April, 1998: Re: Clomid: days 3-7 or 5-9? AND Progesterone interpretation

Re: Clomid: days 3-7 or 5-9? AND Progesterone interpretation

From: Kelly Shanahan, MD (anonymous@obgyn.net)
Thu, 2 Apr 1998 20:08:10 -0600 (CST)

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Previous message: Lesa: "progesterone"
In reply to: Carrie: "Clomid: days 3-7 or 5-9? AND Progesterone interpretation"

At Thu, 2 Apr 1998, Carrie wrote: >
>I am in the process of changing doctors, and I have a couple of
>questions:
>
>1. I read on this obgyn forum site that starting Clomid anywhere
>between cycle day 2 to 5 depends on the length of your menstrual cycles
>beforehand and that ovulation occurs 5 to 7 days after the last tablet.
>I'm in the cycle day 5-9 situation and pre-meds my cycles were 6-8 weeks
>long. I would like to take the tablets starting cycle day 3 because I
>want to induce ovulation earlier (my husband will be out of town, so
>those two days may make a difference). Can you tell me whether this is
>okay given my unmedicated cycle lengths? Or, even if it makes a
>difference at all what day I start the Clomid?

There are no differences in ovulation or pregnacy rates whether Clomid is started on day 2, 3, 4, or 5. However, the chance of developing multiple follicles (and therefore multiple babies!) is a bit higher if Clomid is started on day 2 or 3. In this case, with your hubby away when you need him, it's reasonable to start the Clomid early.

>
>Background: I am taking 50mg clomiphene citrate, no other meds. This
>past cycle was my first on Clomid. I ovulated on cycle day 19 (I hope)
>and my luteal phase went from 10-11 days to 12-13 days.

Are you doing ovulation predictor tests? They may help you predict ovulation before it happens (unlike temps which increase after ovulation has already happened) and enable you to time intercourse better. Start the kits about 3 days after you finish the Clomid >
>2. I'm pretty certain I ovulated this month - likely on CD 19. My
>temperatures spiked and cervical fluid dried up. I did a progesterone
>blood test 6 or 7 days post-ovulation. The results were 46.9 mol / l. I
>think this means I ovulated but still low on the progesterone
>post-ovulation. I'm not sure though. Can anyone help me out with the
>interpretation? (As I said, I'm in the process of switching doctors.)

usually progesterone is reported in ng/ml. okay --- lets try basic science and math 101 (I did have to look the conversion up!) 10ng/ml 32nmol/L , so 1 nmol/L is 10/32 = 0.3125ng/ml 46.9 nmol/L = (46.9 x .3125) = 14.65 ng.ml

A level of greater than 10 ng/ml is considered compatible with ovulation.

So......... your progesterone level is fine

--
Kelly Shanahan, MD, FACOG
S. Lake Tahoe, CA

note: Opinions here are for educational purposes only. This information is not intended to supplant the need for you to consult with your own physician. It cannot take the place of a face to face consultation and examination.
Sorry, but private e-mails will not be answered.

Next message: Kelly Shanahan, MD: "Re: Endo/Massive Adhesions - Help!"
Previous message: Lesa: "progesterone"
In reply to: Carrie: "Clomid: days 3-7 or 5-9? AND Progesterone interpretation"

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