>I imagine their mammary tissue is as immune to the effects of high
>pressure as the rest of their tissues.  Sperm whales can dive for
>periods of over one hour to depths of over 1 kilometer.  Females will
l>eave their young in the care of other females while they dive.  Their
>physiology undergoes numerous changes to allow this and they are
>wonderfully adapted.  The pressure that humans experience in their
>meager dives is tiny by comparison

Thanks Beth, I know that seemed like a silly query, but my Pediatrician relates parenting to dolphin interaction styles, my Midwife relates birth to dolphin and whale movements, and I just never saw any comparisons on the lactation end of that comparative! Interesting....

Mirine Dye, CCE, CD
Childbirth and Lactation Educator in the Fab Fla Keys
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