I bought these and they taste great. A Mexican buddy of mine at school let me have one and I was hooked. The only problem I had with these is that is was the Aldama brand and not Las Sevillanas but it is still a great tasting Oblea with cajeta and I plan to buy again.
The hook effect and false BFNs. Summarised, the hook effect is when someone continuously gets negative urine and blood tests but are actually pregnant. It happens because hcg levels are too high to register and is common with mothers carrying multiples or on older woman.
Symptoms from hookworm are iron deficiency, abdominal pain, loss of appetite, craving to eat soil, protein deficiency, dry skin and hair, skin irritations, edema, distended abdomen, stunted growth, delayed puberty, mental dullness, cardiac failure and death.