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Re: BC pill clarification needed please

From: Mary (anonymous@obgyn.net)
Sat, 12 Feb 2000 14:46:24 -0600


> I am concerned about something I heard recently and really need
> clarification.

<snip>

> I therefore planned to go on the progesterone only pill once my baby was
> born. Now I hear that this pill works the same way as an IUD,
> preventing implantation rather than conception. Is this true?

I was given samples of Micronor along with a prescription at my pp appointment after my daughter was born. I was told it supresses ovulation. Before taking this, I read the package insert thoroughly. In fact, the package insert can be found on the Ortho-McNiel website but you do need Adobe Acrobat to read it. Here are two snips:

CLINICAL PHARMACOLOGY 1. MODE OF ACTION MICRONOR progestin-only oral contraceptives prevent conception by suppressing ovulation in approximately half of users, thickening the cervical mucus to inhibit sperm penetration, lowering the midcycle LH and FSH peaks, slowing the movement of the ovum through the fallopian tues, and altering the endometrium.

(and)

HOW DO POPs WORK? POPs can prevent pregnancy in different ways including: * They make the cervical mucus at the entrance to the womb (the uterus) too thick for the sperm to get through to the egg. * They prevent ovulation (release of the egg from the ovary) in about half of the cycles. * They also affect other hormones, the fallopian tubes and the lining of the uterus.

Here is the URL to the webpage for you to check out and read the complete package insert:

http://ortho-mcneil.com/products/info/micronor.htm

> If it is true, this situation raises a serious issue for me as I feel
> the doctor should have explained how this pill works. Many women may
> not make the same destinction as I, in regard to when "life" begins and
> I respect that as their business, but what about the many women who DO
> believe that life beings at conception???

We share the same belief, which is why I returned my samples and script to the doc the next day.

I'm curious, did your doctor mention any of the possible adverse reactions and side effects of a progesterone-only pill?

As far as bc options, you have other choices, like Claudia mentioned - barrier methods, or if you plan to nurse exclusively and on-demand, breastfeeding works well for some women. You can combine this with natural family planning and only use barriers during your fertile time, when your periods resume.

Hope this helps somewhat, tho I know it does not address your last question about information regarding the various bc methods and how they function.

--
Mary Shoup
Pregnancy & Birth Coordinator
mary.shoup@obgyn.net
http://www.obgyn.net/pb/pb.htm



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