State True/False with explanation:
$(a)$ Abortions could happen spontaneously too. (True/False)
$(b)$ Infertility is defined as the inability to produce a viable offspring and is always due to abnormalities/defects in the female partner. (True/False)
$(c)$ Complete lactation could help as a natural method of contraception. (True/False)
$(d)$ Creating awareness about sex related aspects is an effective method to improve reproductive health of the people. (True/False)

(A) True. Spontaneous abortions,also known as miscarriages,can occur due to various biological factors.
$(b)$ False. Infertility is the inability of a couple to produce children in spite of unprotected sexual cohabitation. It can be due to abnormalities in either the male,the female,or both partners.
$(c)$ False. While lactational amenorrhea is a natural method of contraception,it is only effective for a period of up to six months following parturition,provided the mother is exclusively breastfeeding.
$(d)$ True. Providing sex education and creating awareness about reproductive health,STIs,and contraception are essential strategies for improving the reproductive health of a population.