I believe the word you want is "affect" rather than "effect."
Affect
1. af•fect (transitive verb) [Middle English, from affectus, past participle of afficere]
to produce an effect upon, as a: to produce a material influence upon or alteration inb: to act upon (as a person or a person's mind or feelings) so as to bring about a response; influence
Effect
1. ef•fect (noun) [Middle English, from Middle French & Latin; Middle French, from Latin effectus, from efficere to bring about, from ex- out (of) + facere to make, do]
1a: purport; intentb: basic meaning; essence
2: something that inevitably follows an antecedent (as a cause or agent)
3: an outward sign; appearance
4: accomplishment; fulfillment
5: power to bring about a result; influence
6 plural: movable property; goods
7a: a distinctive impressionb: the creation of a desired impression c (1): something designed to produce a distinctive or desired impression, usually used in plural (2) plural: special effects
8: the quality or state of being operative; operation
in effect: in substance; virtually
to the effect: with the meaning
Also first paragraph you need a comma (,) after "while pregnant" and again in the last paragraph: When pregnant, nutrition ... and perhaps a semicolon (; ) after "your mind" (or even a period and start a new sentence with "What many people ...."
edit: If the citation is within parentheses, then the punctuation stays inside the parentheses too.
HTH
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