Answer by  
                                                                                          martin22 (32)
                                                            
                          
                          
                                                           If you are planing for birth contol by oral contraceptive then don't worry. Thyroid function is not usually affected by oral contraceptives. only thing is being a hypothyroid you have tendancy for weight gain and oral contraceptive medication also cause weightgain so take appropriate advise from doctor before starting these birth control tablets.