The countercurrent opinion given in this paper is that the optimal management of frozen embryo transfers (FET) is not a one-size-fits-all matter, but rather one that should be decided after considering all the various parameters and options. This choice should notably encompass patients' individual characteristics - including variable risks of obstetric complications - and weigh out the respective advantages of each FET option in each case. While there may be real advantages for natural-cycle FET in many cases, these need to be balanced against both practical and clinical issues. Contrary to several prevailing, sometimes loudly expressed suggestions, there is not a one single effective approach when it comes to choosing a mode of scheduling FET.
Keywords: Adenomyosis; Endometriosis; Frozen embryo transfer; Oestradiol and progesterone programming; Pre-eclampsia.
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