An excellent Brazilian theologian and a sociologist, Leonardo Boff,  recently wrote: "Every year in Brazil about 800,000 illegal abortions are performed."

Embryologists have shown us over the past 30 years that from 60% to 80% of normal blasto-cysts, in non-hormonally stimulated women, fail to implant. They pass through the woman's uterus and are simply lost in the woman’s normal menstruation period, without the woman even taking notice of the phenomenon. 

Acceptable "Catholic morality" as stated by the "Prince of Moralists" Father Bernard Harring (deceased in 1986) maintains: "Declaring the time of the presence of  “a human person” in the result of a conception is beyond the competence of the Catholic Church.”