Brief Answer: After the date of your missed menses! Detailed Answer: Hi and thank you so much for this query. I wil recommend that you start with a home pregnancy test kit. This would provide rapid results and generally provides reliable results especially after the date of your expected menses.You must not get a midwife as this is very simple and a home test. There is no best way to hide a pregnancy, No matter what you do, it will finally be evident to the whole world that you are pregnant. Feeling comfortable and being proud of your pregnancy is a great way to go. Tell friends about your pregnancy and what the plans are. Hope am not missing out on something here? Do you plan to keep the pregnancy? Did you plan to get pregnant or it just happened out of the blue? Let me hear from you so that I may understand some of the reasons for trying to hide the pregnancy. I hope this helps. I wish you well. Thanks for using our services and feel free to ask for more information and clarification if need be. Dr. Ivo, MD.