Five-year follow-up of rural Jamaican children whose mothers used marijuana during pregnancy.
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This research provides data on the development of 59 Jamaican children, from birth to age 5 years, whose mothers used marijuana during pregnancy. Approximately one-half of the sample used marijuana during pregnancy and were matched with non-users according to age, parity, and socioeconomic status. Testing of the children was done at 1, 3, and 30 days of age with the Brazelton Neonatal Behavioral Assessment Scales and at ages 4 and 5 years with the McCarthy Scales of Children’s Abilities. Data about the child’s home environment and temperament were collected from direct observations as well as from standardized questionnaires. The results show no significant differences in developmental testing outcomes between children of marijuana-using and non-using mothers except at 30 days of age when the babies of users had more favourable scores on two clusters of the Brazelton Scales: autonomic stability and reflexes. The developmental scores at ages 4 and 5 years were significantly correlated to certain aspects of the home environment and to regularity of basic school (preschool) attendance.


Sam Peterson
Sam Peterson
I treat my bone spurs with pot, weed, dope, marihuana and other forms of the cannabis plant.


  1. Avatar Lori says:

    To put this into perspective, this is a 1991 study on Jamaican women living in Jamaica. The Cannabis plants themselves and the lifestyles of the women are quite different than those in today’s United States, and both factors are significant. The same study in 2018 United States would have a very different outcome.

    • Avatar Lori says:

      *rural Jamaica

      • Avatar Kimberly says:

        How do you know that the same study in 2018 in United States would have a very different outcome? I live in Canada and I smoked pot throughout my entire pregnancy, although I did cut back but it’s the only thing that helped my nausea and constipation immediately. My doctor prescribed me a medication for my morning sickness and it made me pass out after taking it. My daughter came a little early (I had lots of stress being with an alcoholic Coke head who constantly was in and out of the hospital all night almost dying and lots and lots of fighting and screaming) but at 6 months old she is thriving! She has always been an amazing sleeper, has slept through the night (like 10 pm-9 am) without any disturbances for months now????????‍♀️ babies normally double their birth weight at 6 months. She was 6 pounds when born and at 6 month check up she’s 16 pounds, 7 ounces. She has always been very attentive and focused. Always a very happy girl. An incredible eater too! I just found out I’m pretty much three months pregnant now and my morning sickness was so bad that I wasn’t myself (a stoner, I wouldn’t even get out of bed to toke. No energy what so ever) I was so dehydrated that I was in the hospital on iv fluids cause I couldn’t keep anything down for a week, even water. They gave me two different nausea medications through the iv and a pill and none of them worked. Needless to say when I was discharged I went home, smoked a bowl and was feeling SOO much better to the point where I could eat and drink a bit without hurling it right back up! Again, I will continue to smoke pot throughout my pregnancy, and again I will be open and honest with my OB about it like my last pregnancy 🙂 in my opinion, I think the pot actually improved my daughters development because without it, I wouldn’t have been able to give her all of the nutrients she needed to grow!

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