Category: Understanding IVF

Embryo hatching after thaw, re expanded and collapsed explained, with the pregnancy rates from six studies of warmed blastocysts side by side and what they cannot…

What growing embryos to day 5 changes and what it does not: the 2026 Cochrane numbers with their certainty grades, three clinic pages checked against them,…

What a mosaic PGT-A result means, how a biopsy produces it, a blinded multicentre trial of 1,190 couples set beside less even studies, and where PGDIS,…

Five randomised trials of medicated against natural frozen transfer cycles, set side by side with sizes and dates, why the Cochrane review has been overtaken, and…

What actually happens to an embryo from day 3 to day 7, and what the published day 5, day 6 and day 7 outcome data does…

What euploid, aneuploid and mosaic actually mean, what the ASRM’s 2024 opinion says about testing every patient, a cited cohort of 8,175 euploid transfers, and the…

Five United States clinic price pages read on one day, showing what a frozen embryo transfer costs, what thawing frozen eggs costs, and the add on…

What 4BB, 3AA and 5BC actually mean, letter by letter, set beside live birth rates from two named studies, and what people who transferred graded embryos…

Clinic pages call it a success booster. Cochrane, ASRM, ESHRE and the HFEA do not find a reliable rise in live births. Here is what each…

The modification in a modified natural FET cycle is one hCG injection, and it exists to fix the timing of ovulation so the transfer can be…

What happens in the room on transfer day, step by step, with each step set against what the guidelines and reviews actually conclude about it.

Lining checks, the progesterone start date, warming, transfer and the blood test: what happens when in a frozen embryo transfer cycle, and why the dates differ…