All over Egypt, clinics offering couples the option to choose the sex of their future child operate openly. Having at least one son is still considered essential by many Egyptians, especially in villages. While this practice is strictly prohibited across Europe, in Egypt, a legal grey area allows it to persist. IVF clinics take advantage of this legislative loophole to advertise their services to Egyptians, but also foreigners. FRANCE 24's Mathilde Delvigne reports, with Matthew Thompson.