We don't recommend purchasing any new plans with InsideTracker during pregnancy, breastfeeding, or while planning conception, since our optimal biomarker zones do not currently account for the biological changes during pregnancy. Further, the research supporting our recommendations is not based on pregnant individuals, so we cannot comment on the safety and efficacy of specific recommendations during pregnancy. By seven months postpartum, the majority of biomarkers return to their pre-pregnancy levels. If you are breastfeeding, specific markers like lipid levels, calcium, and fat-soluble vitamins like vitamin D might also be elevated. These levels can remain this way until you stop breastfeeding, so we would recommend waiting 2-3 months post-breastfeeding to test.