Originally Posted by
wng
@gwapo_gyud
Also, as discussed earlier on this thread, the failure of the embryo to implant is naturally present and one of the studies even showed that the rhythm method actually causes this to happen more often than other methods.
On the subject of that study, and in the interest of keeping all informed, we should note that this study has been thoroughly discredited. Let me quote three responses to that flawed study (there are many more):
Hogwash in the guise of research
Joan C Clements
http://jme.bmj.com/cgi/eletters/32/6/355#570
Thus, Bovens’ detours via these three assumptions are all found to be dead ends.
One lane of his dual-lane carriageway is found to be impassable – his “science” is
flawed. The other lane – philosophy – goes by way of direct action (presumably as
opposed to indirect action) and what he terms action/omission doctrine, though he
says “this is not the place to turn to this discussion”.
Sounds to me as though the carriage has ground to a halt – maybe the horse has
run out of oats. And we must be travelling by horse and carriage, because the really
glaring flaw in his argument, is that no-body now seriously advocates the Rhythm
Method, nor has done for at least forty years. It was in the early 1950s that research
began into a scientifically-based, clinical-proven alternative. The Billings Ovulation
Method of natural fertility regulation, has a success rate, for avoiding pregnancy,
equal to any chemical or surgical method, and a success rate for achieving
pregnancy which is substantially better than any interventionist technique currently
available.
'Rhythm Method Killing Embryos' Study is False on Science and Morality
By John-Henry Westen
http://www.lifesitenews.com/ldn/2006/jun/06060508.html
Dr. John Shea, MD, FRCP(C), the medical advisor for Campaign Life Coalition, told
LifeSiteNews.com that Bovens is wrong in that "'Rhythm Method' was not a method of
contraception and in fact, is no longer used. It failed to recognize the natural variation of
cycles which almost all current natural family planning (NFP) do."
Dr. Shea also points out that Bovens is far short of the mark on his science. "The
generally accepted figure for spontaneous abortion is not 50%, but 10 - 15 %. Ninety
percent of all such abortions are due to rejection of a maldeveloped embryo or fetus,"
notes Dr. Shea.
"As Dr. Mark F. Whitty pointed out in an eLetter published by the BMJ's JMEOnline, it is
not true that the mythical 'old sperm' or 'old ovum' reduce an embryo's survival chances,
or that there is such a thing as 'heightened fertility.' The ovum lasts 12-24 hours and the
sperm 3-5 days. Any conception is as viable as the next unless there is genetic or
developmental defect of the embryo," explained Dr. Shea.
Are these results of a study or suggestions only?
Guenter Freundl, Prof. Dr.
http://jme.bmj.com/cgi/eletters/32/6/355#548
There is no evidence that a conceptus has reduced survival chances if conception
occurred on the fringes of the fertile period looking into data concerning the first 6 weeks
of pregnancy (see also (Raith, E, Frank, P. et al. 1999; Freundl, G, Gnoth, C. et al. 2001;
Frank, P., Freundl, G. et al. 1985).
Also no association was found between aged
spermatozoa and early pregnancy loss (Wilcox, A. J., Weinberg, C. R. et al. 199
. In the
late 1980s, the issue of aging gametes and pregnancy outcomes was thoroughly
investigated, although the author does not seem to be aware of this literature (Simpson,
J. L., Gray, R. H. et al. 1988;Simpson, J. L., Gray, R. H. et al. 1997).
Bovens fails to make
the necessary moral distinction between natural loss of an embryo and loss caused by
deliberate human intervention. Natural Family Planning does not cause loss of the embryo,
and is not intended to do so. On the other hand, the oral contraceptive pill, the
morning-after pill, Norplant, and the IUD all may cause abortions because one of their
mechanisms of action is to impede implantation of the embryo in the uterine endometrium.
Alcom (in the reference listed cited as Alcorn!!), who was cited in the paper (Alcom, R 2005;
Alcom, R and Larimore, WL 2006), stated that regardless of the likelihood of implantation
failure under such circumstances, any such failure is spontaneous, not induced, and thus, for
Alcorn, is a miscarriage, which he does not consider ethically problematic.