welcomt to HCM.com and thanks for your query.
is a broad term which roughly implies "water in the brain"
Based only on one ultrasound
report, you can not predict the outcome of this condition.
Mild cases may resolve on its own. If the hydrocephaly is very severe, delivery may become difficult because of the large head. In such cases, it is better to speak to your doctor and inquire about your options of terminating the pregnancy
Most importantly, you should do a follow up scan at 24 weeks to see the progress of the condition.
Wish you good luck,