This book presents a qualitative study on the needs of today's vegetarian or vegan primigravida, based on the analysis of eight semi-structured interviews. The objective of this study is to identify possible needs specific to vegetarian and vegan primigravida, in order to make every effort to obtain a quality therapeutic alliance. In the course of this dissertation, we discover, among other things, specific needs for information, adapted advice, but also concerning the prevention and clinical or biological monitoring of certain deficiencies that we know play a role in the good progress of the pregnancy while respecting their choice. This will lead us to propose at the end of the book a support strategy and various practical tools.