Inclusion criteria:
o Pregnant women aged 18-40 who have experienced mild to moderate NVP (based on PUQE-24). Therefore, people who need hospitalization in the first visit (severe NVP) are not included in the plan.
The gestational age should be 16-6 weeks (based on the last menstrual period or ultrasound; of course, in cases where they did not have an ultrasound during the first visit, the gestational age will be confirmed with an ultrasound during the next visit).
Absence of nausea and vomiting before pregnancy
Not taking anti-nausea drugs 24 hours before the visit (such as ondansetron, metoclopramide, promethazine)
Absence of allergy to citron (compound)
Absence of severe pregnancy complications such as bleeding, risk of miscarriage
No history of chronic diseases, alcoholism, smoking and drug addiction
No history of diabetes before pregnancy
Absence of gestational diabetes
Exclusion criteria:
Need for hospitalization during intervention (severe NVP)
Taking anti-nausea drugs during the intervention (such as ondansetron, metoclopramide, promethazine)
The presence of an allergy to citron (compound) during interventions
Failure to refer for the second or third visit
Non-cooperation in taking medication or placebo as prescribed. In case of forgetting to use it three times, the patient is excluded from the intervention (in case of forgetting or not using 3 to 5 doses in a row, the person should be excluded from the study)
Nausea of pregnancy due to causes other than pregnancy (secondary)
Occurrence of severe pregnancy complications such as bleeding, risk of miscarriage during intervention