A typical cord blood collection yields about 100 milliliters of blood, while a human placenta weighs roughly 1 kilogram.
"cord blood will be maybe 100 milliliters, which is about 3 ounces of blood, right? Okay, now a placenta is 1 kilogram, it's about 2 pounds of human tissue." (said at 0:08:05)
The claim bundles two separate physiological assertions: umbilical cord blood collection volume and human placental weight. 1. Cord blood collection volume: The speaker's estimate of approximately 100 mL is supported by clinical evidence. Studies evaluating standard umbilical cord blood collection techniques for banking or transfusion report typical mean or median yields ranging from roughly 65 mL to 110 mL (or ~107–111 g). 2. Placental weight: The speaker's claim that a human placenta weighs roughly 1 kilogram (about 2 pounds) is contradicted by standard anatomical and obstetrical data. The average weight of a normal, singleton term human placenta is approximately 500 grams (about 0.5 kg or 1.1 pounds), roughly half the claimed weight. A placental weight reaching 1,000 grams is pathological (placentomegaly), typically associated with maternal diabetes, severe infection, or fetal hydrops. Because the second assertion significantly misstates normal human placental weight, the overall claim is graded as contradicted.
- contradicts: Placental weight and its ratio to birth weight in normal pregnancy at Songkhlanagarind Hos… (Journal of the Medical Association of Thailand = Chotmaihet thangphaet 2006)
"The mean placental weight at 36-40 gestational age was 519 g (SD = 89.01g). The mean placental weight to birth weight ratio was 17.08%." (abstract, results, passage verified)
pubmed - supports: Evaluation of ex-utero collection for umbilical cord blood banking: A randomized clinical … (International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2026)
"The mean weight of the UCB was 107.19 ± 29.51 g ex utero and 110.81 ± 29.62 g in utero, resulting in a mean difference of -3.62 g (95% confidence interval [CI] -13.41; 6.16 g)." (abstract, results, passage verified)
pubmedfull study (doi)