Antenatal care (ANC) is a routine activity for pregnant women (pregnant women) to visit health facilities (faskes) for pregnancy control. The existence of Omicron is still threatening, making pregnant women hesitate to visit health facilities. On the other hand pregnant women need information about fetal development. The aim is to increase pregnant women's knowledge about the efforts that need to be made during ANC and avoid the risk of getting Omicron. The method is in the form of counseling using the whatsapp (wa) group, because partners have wa groups that actively communicate. The material is in the form of power point accompanied by voice notes. The number of participants was 34 people who were located in Ngawen Klaten, Central Java for 2 hours, the pretest score of 67 increased to 97 during the post test. This increase shows that counseling with chat wa, two-way communication is still established. The delivery of material was well received by all participants, because they are used to communicating and even meeting in WhatsApp groups. Thus the participants' understanding of ANC during Omicron can be well absorbed by the participants, and they will directly benefit from the material presented, especially for participants who are undergoing pregnancy. Pregnant participants who attended this counseling had a better understanding of running ANC safely and effectively when Omicron was still a threat.