Explain that initial fetal movements, known as "quickening," typically occur between 16 and 20 weeks of pregnancy, so she may begin feeling movement soon.

Inform her that absence of fetal movement at this stage always indicates fetal distress.

instruct her to immediately come to the hospital for fetal monitoring due to lack of movement at 18 weeks,

Advise her to increase hydration and rest in a quiet environment to better detect fetal movement

Suggest keeping a daily record of fetal movements starting around 24 weeks to monitor fetal well-being

Reassure her that first-time mothers often feel fetal movement closer to 20 weeks, which is normal.