Is the husband entitled to prevent his wife from attempting to conceive a baby via IVF for gender selection, and is he sinful for preventing her?

Procreation is a shared right of both spouses, and neither of them is permitted to prevent the other from it through legitimate means. As for procreation via in-vitro fertilization (IVF), the husband is not obliged to agree to it, and there is no sin upon him for preventing it, due to the reservations and risks associated with this procedure. Scholars have stipulated, for its permissibility, ensuring the absence of lineage混淆 (ikhtilat al-ansab - mixing of lineages).