A theory put forth by the Sahlgrenska Academy at the University of Gothenburg, Sweden states that merely one among three women gave birth subsequent to a single attempt of IVF; however the cumulative probability of a live birth rises with every cycle – wherein almost 2/3rds of the women that were offered 3 IVF cycles were able to conceive.

Approximately 3% of all infants born in Sweden are from the test-tube procedure, resultant of IVF or in-vitro fertilisation.

Physician Catharina Olivius, the author of this thesis states that there have been substantial incongruities about the number of cycles proffered by the numerous regional councils. She further added that few of the councils mainly in northern Sweden are offering a single free attempt, however this study reveals that a couple’s likelihood of having a child is augmented significantly over 3 cycles.

The study gathered data from a thousand women that were undergoing the IVF treatment at Sahlgrenska University Hospital. The chances of conception subsequent to a single treatment was thirty-five per cent, rose to fifty-two per cent following the two treatments and was fifty-three per cent following three treatments. It was somewhat higher in women that were below thirty-five years of age.

Half the couples attempting to have a child, opted out of the IVF treatment prior to three attempts. The prevalent reasons cited were feelings of psychological stress and chances of conception deemed faint.

Olivius concluded that the patient’s mental wellbeing need to be cared for during the course of the IVF treatment as a better sense of mental welfare in these patients would be beneficial not only in the psychological aspect but would result in lesser dropouts from the treatment, leading to better chances of having babies in more number of couples.

The chances of having twins translate to presently a single implantation of a fertilised egg in the lady’s womb. A follow-up study of an earlier controlled trial wherein 661 women were arbitrarily allotted the implantation of 1 or 2 embryos examined the birth rate on the whole subsequent to all the frozen embryos were utilized. The follow-up study revealed that the single-embryo assignment technique resulted in nearly as high a likelihood of conceiving as the double-embryo assignment technique, when the delivery rate from the frozen embryos was included. Forty-four per cent of the women from the single-embryo set conceived while fifty-one percent of women from the double embryo set conceived.

Olivius stated that twin conceptions were observed in merely over a quarter of women from the double-embryo set that was atypical in the other set. He further added that multiple conceptions tend to raise the chances of premature birth that could lead to complications. With the outcome of the single embryo assignment being nearly as effective, hence in majority of the situations is the better option.

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