Local Binary Convolutional Neural Networks' Long Short-Term Memory Model for Human Embryos' Anomaly Detection

Table 2

Blastocyst grading system and descriptions [17].

Blastocyst structure	Grade	Description
Inner cell mass	A	Tightly packed, many cells
	B	Loosely grouped, several cells
	C	Very few cells
Trophectoderm	A	Many cells forming a cohesive epithelium
	B	Few cells forming a loose epithelium
	C	Very few large cells