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. 2021 Jul 3;38(6):1265–1280. doi: 10.1007/s10815-021-02263-5

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Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — Differences between conventional IVF and IVM. The principal differences between conventional IVF and IVM are that in IVM cycles, patients receive minimal or no ovarian stimulation prior to OPU, oocytes are collected from small-medium sized antral follicles, and oocytes are meiotically matured in vitro from the germinal vesicle (GV) to metaphase II (MII) stage. Thereafter, mature IVM oocytes are treated exactly as per mature oocytes from conventional IVF. Adapted from [25]