The order "shall apply only to persons who are born within the United States after 30 days from the date of this order", so you're unaffected even if the order

The order "shall apply only to persons who are born within the United States after 30 days from the date of this order", so you're unaffected even if the order were somehow upheld. A future child in your situation would not gain American citizenship, and I think you asked a legitimate question. The immigration system is particularly sensitive to executive power, and thus likely to show the biggest near-term effects.