Interesting:
http://robinrosebennett.com/wild_carrot%20article.htm
From the article:
The definite CONTRAINDICATIONS for using this plant for this purpose is during or closely following a period of intense hormonal shifts, such as after: coming off the pill or other HRT, having an abortion, pregnancy, or miscarriage.
I know that in some native pacific northwest tribes, Pacific Yew berries were used a as form of birth control. Sorry, but that just came to mind.
Not intending to contradict, just want to make readers aware that yew seeds can kill (quite quickly). I have encountered passing statements to the effect that Native Americans used the seeds medicinally, but it seems to call for great caution, imho…
there are a lot of herbal forms of b.c. that work quite well. it is also very helpful to use fertility awareness charting so that you know if your period is going to be late or on time.
www.feralfeminine.com distros good zines.
there are also acupuncture points that can cause miscarriage.